Payment systems ipnεργασίες
...πολυμέσων Πολυεκπομπή Πρωτόκολλα μετάδοσης πολυμέσων Ροή πολυμέσων Τηλεδιάσκεψη Εγγυημένη ποιότητα υπηρεσίας Πολυμέσα σε δίκτυα κινητών Νέα πρότυπ...
Hello, We had started creating a website through PrestaShop and we were in the final steps before our website went online but after uploading a payment module there was a problem with payments ... That is, as soon as the customer goes to chooses a payment method, no method is displayed and this message is displayed: unfortunately there is no payment method available. I tried to reset the payment modules and the payments temporarily reappeared on the payment page but as soon as I change Payments -> Preferences -> Country Restrictions to match the payment method to the country I want, this problem is created again... Γεια σας, Είχαμε ξεκινή&sigm...
Γεια σου Yashco Systems, είδα το προφίλ σου και θα ήθελα να σου προσφέρω την εργασία μου. Μπορούμε να συζητήσουμε τις λεπτομέρειες στη συνομιλία.
We need to find a content writer in Greek, highly skilled, no mistakes, juicy stile
Γρήγορα αναπτυσσόμενο eshop στον χώρο της πληροφορικής ψάχνει designer που θα αναλάβει τον σχεδιασμό των newsletter και ότι γραφικών χρειάζονται ανά πάσα στιγμή για την προώθηση της &si...
Καλησπέρα πρόκειται για βιβλιογραφική εργασία και να αποτελείται από 70-100 σελίδες με θέμα Cyber Physical Systems (CPS). Αρχικά μου έχουν ζητηθεί τα παρακάτω: τι ονομάζουμε Cyber Physical Systems(CPS), τι &...
I'm looking for someone who can provide real-time leads for e-commerce merchants in Europe. - Target Companies: The focus is on large enterprises. - Industries: The leads should primarily belong to the Retail, Tech & Electronics, and Fashion & Apparel sectors. Ideal candidates for this project should have a robust network and experience in lead generation, particularly within the e-commerce space. Familiarity with the specified industries will be an added advantage.
I'm looking to develop a simple yet modern car wash website primarily to facilitate online booking. The website should be clean and easy to navigate, reflecting a modern design aesthetic. Key Features: - An online booking system with a calendar view for availability - Automated confirmation emails for bookings - Multiple service selections, al...modern design aesthetic. Key Features: - An online booking system with a calendar view for availability - Automated confirmation emails for bookings - Multiple service selections, allowing customers to choose from different car wash options Ideal Skills and Experience: - Proficiency in web development and design - Experience creating booking systems - Understanding of modern, clean design principles - Ability to implement automate...
...will work on designing, building, and maintaining high-quality, scalable, and robust web applications. You will collaborate closely with other developers, designers, and stakeholders to deliver features that meet both functional and technical requirements. Responsibilities: Design, develop, and maintain web applications using Symfony, PHP, Angular, and Go. Develop efficient and secure backend systems, including APIs and business logic. Build dynamic, responsive, and user-friendly frontend interfaces with Angular. Manage and optimize MySQL databases for performance, reliability, and scalability. Collaborate with team members to define and implement new features. Perform code reviews, write unit tests, and ensure coding standards are followed. Debug and resolve issues across the s...
I'm seeking a developer to create a cross-platform (Web and Mobile) casino application. This application should include: - Sign In function: A secure and user-friend...banking features should be limited to deposit and withdrawal at this stage. However, I would appreciate a scalable solution that can accommodate Transfer between accounts and Transaction history in the future. Ideal candidates for this project should have: - Proven experience in developing cross-platform applications, preferably in the gaming sector. - Strong understanding of secure sign In systems. - Prior work involving the integration of banking features in an application. - Skills in game development, particularly in creating Slots. Please provide examples of your previous work that align with this projec...
I'm looking for an experienced developer to create a Windows-compatible, desktop-based sales tracking application. The primary feature required is comprehensive sales reporting. Key Requirements: - Expertise in Windows desktop application development - Proficient in creating user-friendly, intuitive interfaces - Experience in developing sales tracking systems or similar applications - Skills in implementing robust data reporting features - Ability to deliver a bug-free, efficient software within the timeline -got to be able to add salespeople and have it all work with each month and tracking 10:0 If you have a strong portfolio in this field and can deliver a high-quality product, I would like to hear from you.
I'm in need of an electronics expert to design an automatic syringe with depth measurement capabiliti...presented clearly on a digital screen. - Pressure Monitoring: The automatic syringe should be able to monitor pressure during use. -Automatic Dispensing: The syringe must have the ability to automatically dispense the necessary fluid. Skills and Experience: - Proficiency in electronics design, particularly with automatic dispensing systems. - Experience with designing digital display systems for precision measurement tools. - Knowledge in creating pressure monitoring systems within the context of a syringe. - Prior work with creating automatic syringes is a plus. This project is ideal for someone who has a strong background in electronics and can deliver a re...
I'm seeking a skilled web developer to create a single-seller e-commerce platform for my handmade and vintage products. ...products. The aim is to reach customers globally with an intuitive and user-friendly site. Key features of the website should include: - A robust product search functionality to help customers find items easily. - Customer Review In terms of payment systems, the website should accommodate: - Credit/Debit cards - PayPal. The ideal candidate for this project should have a strong background in e-commerce web development, with a portfolio that includes single-seller shop sites. Experience in implementing product search functionalities and secure payment gateways is crucial. The goal is to have a seamless, efficient, and secure online shopping...
I'm in need of a Shopify expert to help fi...finalize the setup of my single product store. The store has been pre-built, but it requires some tweaks and improvements to the design, integration of essential Shopify connectors, and the addition of customer reviews as a new feature. Ideal Skills: - Proficiency in Shopify - Experience in eCommerce store design - Knowledge of Shopify connectors - Familiarity with implementing customer review systems Key Responsibilities: - Improve the design of the store - Finalize the integration of all necessary Shopify connectors - Implement a customer review system Please note that the specific design improvements and the Shopify connectors that require assistance have not been determined yet, so some degree of creativity and initiative wil...
...have an easy-to-use interface where users can add/remove keywords. If possible, integrate an option to filter mentions based on the type of content (tweets, retweets, replies, etc.). Skills Needed: Experience with Twitter API and integration. Proficiency in programming languages such as Python, JavaScript, or any relevant language to build this application. Experience with desktop notification systems (Windows and Mac). Familiarity with developing background-running apps. Ability to handle rate-limiting or other constraints related to Twitter API. Additional Information: The application should support at least Windows and MacOS. The notifications should be highly customizable (sound, urgency, etc.). Code must be well-documented and easy to maintain. Please provide relevant exam...
I'm looking for a talented web developer to create a classic and elegant wedding website primarily focused on RSVP management and digital wedding invitation letters. The site should be able to handle basic form submissions and guest count management. Key Features: - Basic form submission for RSVPs - Guest count management - Wedding letter Ideal Skills: - Web development expertise...letters. The site should be able to handle basic form submissions and guest count management. Key Features: - Basic form submission for RSVPs - Guest count management - Wedding letter Ideal Skills: - Web development expertise, particularly in creating interactive and user-friendly sites - Experience in designing classic and elegant web interfaces - Proficiency in implementing RSVP management systems...
I'm in need of a comprehensive blueprint for a small Bitcoin ASIC mining farm, housing between 10 to 50 machines. Key elements to include in the blueprint: - Layout of the farm - Optimal positioning of machines for efficiency - Detailed ele...elements to include in the blueprint: - Layout of the farm - Optimal positioning of machines for efficiency - Detailed electricity requirements - Best setup for this scale of operation - Air cooling system implementation - Local storage solution for mining data Ideal candidates for this project should have significant experience in Bitcoin mining, farm layout design, and knowledge of air cooling systems. Skills in electrical engineering and data storage solutions are highly advantageous. Please provide samples of previous similar projec...
...optimization, and management. Hands-on experience with Graph QL API development and schema design. Strong understanding of microservices architecture and system design principles. Familiarity with DevOps practices and tools for CI/CD and deployment. Solid understanding of authentication/authorization frameworks (e.g., JWT, OAuth). Excellent problem-solving skills and ability to design scalable systems. Strong communication and collaboration skills. Preferred Qualifications: Experience with cloud platforms like AWS, GCP, or Azure. Knowledge of Docker and Kubernetes for containerized applications. Exposure to event-driven architecture and message queues like RabbitMQ or Kafka. What We Offer: Competitive compensation. Opportunity to work on cutting-edge technologies and challengin...
I'm in need of a Microsoft Access developer to create an Attendance and Salary Management System for security guards. The core functions of the system include: - Attendance tracking - Dashboard - Employees profiling - Manual Attendance - Basic Pay, Overtime Amount, Deductions - Auto employee IDs ...include: - Attendance tracking - Dashboard - Employees profiling - Manual Attendance - Basic Pay, Overtime Amount, Deductions - Auto employee IDs - Salary calculation - Reporting (Daily Salary Voucher, Montly Salary Report) Ideal skills and experience for the job include: - Proficiency in Microsoft Access - Experience in developing attendance and salary management systems - Good understanding of tracking and reporting systems - Ability to create user-friendly interfaces ...
...looking for a skilled and experienced Data Entry Specialist. I want to attract opportunities in industries such as finance, healthcare, and technology. Key Skills and Experience: - Data entry and management - Attention to detail and accuracy - Organizational and time management skills - Proficient in Microsoft Office, particularly Excel, Word, and Access - Experience with data entry software and systems, such as CRM and ERP - Strong typing skills, with the ability to work quickly and accurately - Ability to work independently and as part of a team Achievements: - Consistently met or exceeded data entry productivity and accuracy standards - Successfully implemented data quality control measures to improve data accuracy and completeness - Developed and maintained strong relatio...
...me build a comprehensive web application from the ground up. Key Responsibilities: - Developing a new, fully functional web application - Implementing user authentication features - Setting up a secure and efficient payment processing system - Creating a real-time chat function - Designing and coding a full e-commerce website Ideal Skills: - Proficiency in both front-end and back-end development - Extensive experience in building web applications - In-depth knowledge of implementing user authentication systems - Proven track record of setting up payment processing systems - Experience in creating real-time chat features - Demonstrable ability to design and code e-commerce websites Please provide examples of similar projects you've completed in yo...
I need a software solution that integrates with eBay and helps me manage my orders efficiently. Key functionalities should include: - Order Tracking: The software should provide real-time updates and tracking information for all orders. - Order Fulfillment: It should help streamline the process...real-time updates and tracking information for all orders. - Order Fulfillment: It should help streamline the process of getting orders out to customers. - Return Handling: The software should have a system in place to manage returns smoothly and efficiently. Ideal skills for this project include experience with software development, eBay API integration, and order management systems. Knowledge of order tracking systems, fulfillment processes, and return handling procedures will al...
I am a student eager to improve my coding skills to develop my payment solution. To achieve this goal, I am looking for an experienced programmer or mentor who can guide and train me effectively. Here's what I am looking for: - A mentor with extensive experience in coding, specifically in payment solutions or fintech. - One-on-one sessions focusing on practical coding exercises and real-world application. - Guidance on best practices in secure coding to ensure my payment platform is robust and secure. - Flexible scheduling to accommodate my studies. - A clear learning path that will take me from my current skill level to being capable of building a basic payment solution. I am committed to learning and eager to start as soon as possible. Your expertise wi...
I'm in need of a professional who can assist me in creating metafields and meta objects for my physical products on Shopify. My goal is to store additional product specifications and customer reviews. Key Responsibilities: - Create app...specifications and customer reviews. Key Responsibilities: - Create appropriate metafields and meta objects for my physical products on Shopify. - Ensure the storage of additional product specifications and customer reviews. Ideal Skills: - Extensive experience with Shopify. - Proficiency in creating and managing metafields and meta objects. - Understanding of product specifications and customer review systems. Your expertise in these areas will greatly enhance my e-commerce platform's functionality and user engagement. Looking forwar...
...robust job listing feature. - In-App Messaging: A secure, easy-to-use in-app messaging system is a must. Integration Requirements: - Payment Processing Services: The app should seamlessly integrate with reliable payment processing services. - Job Boards: Integration with various job boards is also necessary. Design Expectation: - A fully custom design is required for this project. The design should be user-friendly, attractive, and optimized for both mobile platforms. Ideal Skills: - Proven experience in iOS and Android app development. - Expertise in creating user profiles, job listings and in-app messaging systems. - Prior experience with integrating payment processing services and job boards is a plus. - Strong skills in custom app design. Please only...
I'm looking for an experienced PHP developer to create a POS invoice return screen for my project. Key Requirements: - The screen will primarily be used to process refunds - The refunds will exclusively be processed via cash Ideal candidates should have a strong background in PHP and experience developing similar screens in the past. Understanding of POS systems would be a plus. and should have knowledge in php zend framework and also need immediately Screen is already their but making new screen
I'm looking for a skilled web developer to create a fully responsive eCommerce websi...well-structured product catalog with clear visuals and descriptions is crucial. - User Features: The website must support a user login and registration feature. This should be secure, user-friendly, and efficient. - Payment Options: The site should support multiple payment methods, including Credit/Debit Cards, PayPal, and Bank Transfer. A secure, seamless checkout process is a must. Ideal Skills and Experience: - Proficient in HTML, CSS, JavaScript - Experienced in eCommerce website development - Knowledgeable about building secure user authentication systems - Familiar with various online payment systems - Ability to provide well-structured, commented code for e...
I'm seeking a proficient mobile app developer to create a comprehensive Android app for an onli...number-draw system. - Live Draws: Integrating a feature for real-time draws is crucial. - Multi-Language Support: The app must cater to a global audience, hence supporting multiple languages is necessary. Ideal Skills: - Strong background in Android app development. - Experience with developing lottery or gaming apps is a significant advantage. - Expertise in integrating payment gateways and user account management systems. - Proficiency in implementing multi-language support within an app. I am looking for a developer who can take the lead on this project and guide me through the process. Your portfolio should demonstrate similar past projects, ideally with positive clien...
I need a competent developer to create a digital attendance register desktop application for me. The software should be compatible with Windows operating systems. Key Requirements: - Develop a digital attendance register - Ensure compatibility with Windows OS - Design a user-friendly interface Ideal Skills: - Proficient in desktop application development - Experienced in creating digital registers - Excellent understanding of Windows OS requirements
I need a .NET MVC based API that can generate Kundli charts, provide daily horoscope predictions, and facilitate matchmaking compatibility checks. Key Features: - Generate Kundli chart: The API should be capable of generating a Kundli chart based on the user's astrological information. - Daily horoscope predictions: The API should provide daily horoscope predictions. - Matchmaking compatibilit...compatibility between two individuals based on their Kundli charts. No Database Required: The API does not need to store user data or have a backend database. Security: The API does not require any authentication or security measures. Ideal Skills: - Proficiency in .NET MVC - Experience in API development - Knowledge of astrology (preferably Kundli) - Familiarity with horoscope prediction...
I'm looking for a professional web developer to create an E-commerce website dedicated to selling my own music tracks for corporate events. This platform should not only facilitate purchases but also allow for user accounts that offer extra features beyond guest checkout. Key Requirements: - Creation of...secure, efficient system for user account creation and management. - Integration of features that enhance the user experience beyond simple purchasing and order tracking. The ideal freelancer for this project would be someone with extensive experience in E-commerce web development, a strong understanding of creating engaging, interactive user features, and a knack for developing secure, reliable systems. Prior experience with music-related E-commerce sites would be a signifi...
I am seeking a professional who can develop a seamless payment interface for my products on both Facebook and Instagram. Key Requirements: - The payment interface should support various payment methods including UPI, Credit Card, and Debit Card. - It should also collect essential information from the customer during the payment process, such as their delivery address, the quantity of the product they wish to purchase, and their email address for order confirmation and tracking. Ideal Skills and Experience: - Proven experience in developing payment interfaces for social media platforms. - Deep understanding of various payment methods and their integration. - Excellent skills in data collection and customer interface design. This project aims to ...
...e-commerce system integrated for book sales. - An online booking system for workshops. - Content pages for informational purposes. - A platform for customer reviews and ratings. - A custom checkout process. Ideal Candidate: - Extensive experience with Shopify. - Background in retail industry is a plus. - Excellent coaching and communication skills. - Familiarity with setting up e-commerce and booking systems on Shopify. Requirements: Proven experience with Shopify migrations, especially from custom-built CMS platforms. Strong communication and coaching skills. Familiarity with Australian eCommerce market needs. Ability to work hourly and provide flexible support as needed. Deliverables: Clear, step-by-step advice for the migration process. Assistance with SEO best practices to ...
I am looking for a talented architect to undertake a project involving the transform...techniques. Requirements & additional infos: - Experience in designing structures for tropical climates. - Proficiency in modern architectural designs and rainwater drainage systems. -Ability to provide creative and functional solutions for both aesthetic and practical challenges. - The project site is located in a tropical environment, requiring durable and weather-resistant materials. If you are interested in this project, please include: 1. Examples of similar projects you have completed. 2. A proposed timeline for delivering the 3D plan and execution plan. 3. Your experience with tropical construction and rainwater systems. Looking forward to your proposals! Enclosed pictures o...
I'm seeking a seasoned ERP consultant for a full-scale ERPNEXT implementation in my IT firm. The core modules to be integrated incl...Purchase - Project Management - Employee & Expenses Claim This project aims to primarily enhance employee productivity. I need someone with proven experience in ERP systems, particularly ERPNEXT, and a strong understanding of the IT industry. You must be capable of designing a system that streamlines operations and improves data management, as well as enhancing our team's productivity. Skills and experience required: - Extensive knowledge and experience in ERPNEXT - Understanding of IT industry operations - Proven track record in ERP implementation - Excellent project management skills - Ability to design user-friendly systems ...
...agreements), set lease start/end dates. • Renewal reminders and deposit management. 3. Accounting & Financial Management • Expense tracking (maintenance, utilities, etc.). • Generate income statements, profit/loss summaries. • Tax-friendly reporting for end-of-year filing. 4. Invoicing & Billing • Recurring rent invoices (monthly, quarterly). • Automatic late fees and payment reminders. • Optionally integrate an online payment gateway (Stripe, PayPal) in future phases. 5. Document Management • Upload/store lease agreements, ID scans, receipts, bills. • Tag documents by property, tenant, or date for quick retrieval. 6. Automated Notifications • Rent due reminders via email/SMS. • Maintenance statu...
...Task 2: Add a voting system for specific categories of content with a leaderboard/ranking system. Ensure votes are visible on user profiles and in a “Top Rated Posts” section. -------------------------------------------------------- - Important Notes for Freelancer: Must have experience with WordPress, BuddyPress, and Elementor Pro. Knowledge of submission and voting plugins (USP Pro, rating systems) is required. Must be comfortable working on a site with adult content. The solution must be simple, reliable, and scalable for future upgrades (e.g., subscription features)....
Compensation: $2 AUD/hour + Commission Hours: 30 hours/week Role Overview: Seeking a motivated Sales Specialist to drive growth across our SaaS platforms including social media tools, gym, cleaning, CRM, POS, and booking systems. Ideal for those skilled in SaaS sales and client conversion. Responsibilities: Convert potential leads into subscribers using tools like LinkedIn Sales Navigator, Mailshake, and SEMrush. Execute sales strategies through cold outreach, content marketing, and web scraping. Meet/exceed sales targets and manage a robust business pipeline independently. Requirements: Experience in SaaS sales, lead generation, or client acquisition. Excellent communication and negotiation skills. Ability to work independently and meet targets. We Offer: Dynamic team e...
...PCB layout and prototyping to create working hardware components. Integration of sensors for device detection and communication switching. Work closely with the firmware development team to ensure compatibility between hardware and software systems. Test and validate hardware designs, troubleshoot issues, and iterate on improvements. Provide detailed documentation for the hardware design, circuit schematics, and PCB layouts. Support the team in creating a reliable, robust hardware solution. Skills & Qualifications: Strong experience with embedded systems design and development (e.g., microcontrollers, sensors, wireless communication). Proficient in circuit design and PCB layout using tools like KiCad, Altium Designer, or EAGLE. Experience with wireless communication t...
We are looking to hire an experienced Golang Backend Developer or agency to help us complete the backend development for our HR ERP system. This is an exciting opportunity to collaborate with a team led by a senior developer and manager with 10+ years of experience in distributed systems. Our simplified architecture and frontend design are already in place, and we have a clear API-driven design approach with namespaces decided. We aim to build a robust, scalable, and high-performing backend solution for our ERP system. This role can either be a 3-month full-time engagement or a complete outsourcing of the backend development.
**Project: Development of Software for Automated Processing of Technical Drawings** **Description:** The goal is to develop a Windows-based software application that automates the processing of technical drawings. The focus is on simple and intuitive user interaction while integrating seamlessly into existing processes, such as ERP systems. The software will enable users to analyze technical drawings, extract relevant properties, remove logos, and save structured data for further use. **Software Objectives:** - **Logo Recognition and Removal:** Automatic detection and removal of logos using two technologies: template matching and deep learning (e.g., YOLO). If no logo is detected, the user can manually mark it. - **Property Recognition:** Automatic extraction of ...
I need a Bluetooth-based Geolocation system designed primarily for navigation assistance in outdoor settings. The system should be able to indicate location with an accuracy of within 5 meters. Ideal Skills: - Expertise in Bluetooth technology - Experience with designing Navigation systems - Knowledge in developing outdoor geolocation systems - Proficient in creating systems with specified accuracy limits Key Features: - Real-time location data - User-friendly navigation assistance - Accuracy limit within 5 meters
I'm looking to create a modern, dynamic website similar to and cloudproxylab.com. The primary function of this site will be selling both proxies and VPS management. Key Features: - Timed-based purchase options for users: 1 hour, 1 day, or 30 days. - Integration of various third-party VPS APIs (Linode, AWS, Vultr) for product sourcing. - A self-op...A self-operable control panel for users to manage their VPS: start, stop, rebuild, etc. The ideal freelancer for this project should: - Have experience in developing e-commerce websites with dynamic functionalities. - Be proficient in integrating third-party APIs. - Understand the requirements of creating a modern and user-friendly interface. - Have knowledge about proxies and VPS management systems. Looking forward to your bid...
I need a secure login page that authorizes users with a username and password. The page should implement Two-factor authentication (2FA) via SMS. The login system should provide access for 'User' role, while 'Admin' and 'Guest' roles will not have access. Key Requirements: - Proficient in developing secure login systems - Experience with implementing Two-factor authentication (2FA) via SMS - Ability to create a user role based access system Ideal Skills: - Web Development - Cybersecurity - User Role Management
I need someone who can Teach Student On How to Draw Simplified Hand-Drawn Circulatory System. I'm looking for a simplified hand-drawn illustration of the circulatory system, suitable for an 8th-grade student. You need to teach the student how to easily draw circulatory system. Key elements to include: - A clear and simplified depiction of the heart. - An easily understanda...draw circulatory system. Key elements to include: - A clear and simplified depiction of the heart. - An easily understandable representation of the blood vessels. Ideal skills and experience: - Previous work creating educational illustrations or diagrams. - Strong drawing skills, with a style that is clear, engaging and suitable for a younger audience. - Experience with depicting biological systems w...
I'm looking for a full-fledged website dedicated to scooter sales, rentals, and maintenance service appointments. This site should also cater to parts and accessories sales, as well as incorp...as well as incorporate a membership or loyalty program. Key Requirements: - The scooter sales section needs to be detailed with product descriptions and images. - A streamlined 'Add to cart and checkout' process is crucial. - Customer reviews should be integrated to enhance credibility and customer engagement. Ideal Skills: - E-commerce website development - Experience in integrating booking systems - Proficient in UI/UX design - Knowledge of setting up membership or loyalty programs Please ensure your bid reflects your relevant experience and includes examples of similar p...
I need someone who can Teach Student On How to Draw Simplified Hand-Drawn Circulatory System. I'm looking for a simplified hand-drawn illustration of the circulatory system, suitable for an 8th-grade student. You need to teach the student how to easily draw circulatory system. Key elements to include: - A clear and simplified depiction of the heart. - An easily understanda...draw circulatory system. Key elements to include: - A clear and simplified depiction of the heart. - An easily understandable representation of the blood vessels. Ideal skills and experience: - Previous work creating educational illustrations or diagrams. - Strong drawing skills, with a style that is clear, engaging and suitable for a younger audience. - Experience with depicting biological systems w...
I'm in need of a mobile app/desktop designed for a costume rental business. The app will primarily serve two user roles: Admin and Sta...track item availability in real-time. - The app should be able to generate comprehensive inventory reports. - Daily, monthly, yearly sales reports categorized by customer and staff. - A system to track how many times each item has been transacted over the course of a year. Ideal Skills and Experience: - Proficiency in mobile app development, preferably with a background in inventory management systems. - Experience working with costume rental software or similar platforms would be a plus. - Strong ability to create user-friendly interfaces for both Admin and Staff roles. - Excellent understanding of generating and interpreting sales and inv...