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Q3: Self-checkout machines provide a mechanism for customers to pay for purchases from a shop without direct input to the process by the shop's staff Create a class called Checkout for performing checkout service in a shopping mall. Use char variable to represent the item, unsigned long to represent the barcode, float variables to represent the price and the weight as private data of the class. Provide a constructor that enables an object of this class to be initialized when it's declared. Provide public methods that perform cach of the following tasks: a. The operator & for printing the item, barcode, price and weight. b. A friend function called get price. This function would return the price when you provide it with an object and a barcode. This function should return-1 if the object's barcode doesn't match the input barcode. c. A friend function called get_price. This function would return the price when you provide it with an object and an item name. This function should return -1 if the object's item-name doesn't match the input item's name, Define the following array of objects as a database in your main. checkout a[3]={checkout("Sugar", 12345,1000,1), checkout("Rice",13450,2000,2) checkout("Oil", 13456,3000,1) }; Use get_price function to return the price of the barcode (13450) and the item "Sugar" then print the results. [ 10 marks) Q3: Self-checkout machines provide a mechanism for customers to pay for purchases from a shop without direct input to the process by the shop's staff Create a class called Checkout for performing checkout service in a shopping mall. Use char variable to represent the item, unsigned long to represent the barcode, float variables to represent the price and the weight as private data of the class. Provide a constructor that enables an object of this class to be initialized when it's declared. Provide public methods that perform cach of the following tasks: a. The operator & for printing the item, barcode, price and weight. b. A friend function called get price. This function would return the price when you provide it with an object and a barcode. This function should return-1 if the object's barcode doesn't match the input barcode. c. A friend function called get_price. This function would return the price when you provide it with an object and an item name. This function should return -1 if the object's item-name doesn't match the input item's name, Define the following array of objects as a database in your main. checkout a[3]={checkout("Sugar", 12345,1000,1), checkout("Rice",13450,2000,2) checkout("Oil", 13456,3000,1) }; Use get_price function to return the price of the barcode (13450) and the item "Sugar" then print the results. [ 10 marks)

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