DIY Sdn Bhd is selling retails goods. Customer may purchase goods in bulk. The goods that Customer wishes to purchase need to scan using the UPS barcode. When the UPS barcode is read, the descriptions and prices of the item is view from UPS price file. The goods name, prices and subtotals are stored in Temporary Transfile. When paying for items, money is withdrawn from the customer in cash, by check or by debit card. Finally the cash register issue a receipt. ) Suggest a suitable use case name. ) Construct a Data Flow Diagram (DFD) Level 0. State your assumption clearly. :) Create a process description using Structured English for ONE (1) process in the answer in Q4(b).