<![CDATA[This study aims to design and develop a web-based donut sales system to address limitations in conventional sales, particularly in product information delivery, transaction recording, and sales administration. The system was developed using the Waterfall method, comprising requirements analysis, system design, implementation, testing, and maintenance planning. System design used UML models to describe user interactions and system processes, while PHP and MySQL were used for implementation and data management. The resulting application provides user registration and login, product browsing and searching, shopping-cart and wishlist functions, online ordering, and administrative features for managing products, categories, customer accounts, orders, and sales information. The main website features were checked independently by the developer to obtain an initial overview of their functionality. However, further systematic testing and evaluation involving actual users are needed to assess the system’s usability, reliability, and potential impact on sales administration. The article describes the system workflow and the interfaces available to administrators and customers. The developed platform is intended to make product information easier to access and to provide a more structured way to record and manage orders than a fully manual process. The administrative features also bring product and order information together in one application, supporting more consistent monitoring of sales activities. The study demonstrates the implementation of a web-based sales application for a donut business; however, further evaluation involving actual users and quantitative performance measures would be needed to establish its effect on sales efficiency and customer satisfaction.]]>
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