system automatically prints a sales invoice with a barcode to easily look up information when buying products sold by the store. For jewelry products when sold, the system allows printing the jewerlry warranty certificate. The system also allows sales staff to exchange or return jewerlry products sold to customers, gold products will not be allowed to do this. When a customer exchanges or returns the jewerlry product within 36 hours, the jewerlry product price will be calculated according to the selling price on the sales invoice of that jewerlry product. If after this period of time, the jewerlry product price will be calculated according to current buying price of the store. The exchange or return of sold jewerlry products must be approved by store manager before the sales staff prints the exchange or return invoice and sends it to the customer. When transactions (buying, selling, exchanging, returning) have printed invoices issued to customers,sales staff are not allowed to edit that transaction. The system also allows the administrator to configure keyboard shortcuts for commonly used functions. In addition to customers making payments in cash, the system also supports storing payment information when customers make payments by credit card through SmartPOS machines. Customers can evaluate the customer service attitude of sales staff through touch screen computers located in the store. Evaluation results will be compiled into a dashboard for store manager to review. The products in the store are managed by store manager. Store manager can assign work schedules to sales staff. Store manager can also view sales statistics reports. Sales staff can view their work schedule on the system. Sales staff can only access and operate the system according to the work schedule assigned by store manager. Management and authorization of user accounts are managed by the administrator. The system shall log all attempts to access secure data by users having insufficient privilege levels.
All the answers must be written in the provided template file, in Enghlish and reflect this exam paper. You must use Visual Paradigm software (offline) to draw diagrams and then press three keys Windows + Shift + S on your keyboard to copy the image of diagrams and Ctrl + V to insert that image to answer the Q2&3. If your answers to the questions in this exam paper have any keywords not related to this electronic exam paper, the answers to the questions will get ZERO. If you do not use the provided template file to answer the
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