CSC121 Lab12(4) (Compatibility Model Updates Do you w This problem is about modular design. We are writing a program to simulate a self- checkout system of a store named Wake-Mart. Main Process payment Input prices Process discount Process promotion Cash Debit CSCi21 Lab 12 Page 2 This program has four tasks at the top level: input prices of items, process discount, process promotion and process payment. Processing of payment is further divided into two subtasks. The customer can choose either to pay by cash or by debit card. You must write the following functions to implement the design above. Function scan prices) Specification This function gets the price of each item purchased. The customer enters the prices one by one with a loop. MacBook Air CSC121 Lab12(4) (Compatibility Model Updates Do you w This problem is about modular design. We are writing a program to simulate a self- checkout system of a store named Wake-Mart. Main Process payment Input prices Process discount Process promotion Cash Debit CSCi21 Lab 12 Page 2 This program has four tasks at the top level: input prices of items, process discount, process promotion and process payment. Processing of payment is further divided into two subtasks. The customer can choose either to pay by cash or by debit card. You must write the following functions to implement the design above. Function scan prices) Specification This function gets the price of each item purchased. The customer enters the prices one by one with a loop. MacBook Air