Software Engineering/System Analysis and Design Methods (Operations Management)5

Question2: DFD Modeling (20 points) ABC-App is an online system for ABC store. The system Data Flow Diagram contains five processes, two external entities and three data stores. The customer send the payment to the Transform Customer Purchase process and receive the receipt. This process send the goods sold data to Update Goods Sold File process, Inventory Data to Update Inventory File process and Sales Data to Update Sales Total File process. Update Goods Sold File process update the goods information and store the Formatted Goods Sold Amount in Goods Sold File data store. Update Inventory File process update the inventory information and store the Formatted Inventory Amount in Inventory File data store. Update Sales Total File process update the sales information and store the Formatted Sales Total Amount in Sales Total File data store. The Store Manager receives the management report from Produce Management Reports process getting as input: Goods Sold Amounts from Goods Sold File data store, Inventory Amounts from Inventory File data store and Sales Totals from Sales Total File data store. Draw the DFD based on the above given. Show the processes, actors, data stores, and data flows