ScholarMatic: Explanation & Answer
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Write a CashRegister class that can be used with a RetailItem class. The CashRegister class should simulate the sale of a retail item. It should have a constructor that accepts a RetailItem object as an argument. The constructor should also accept an integer that represents the quantity of items being purchased. In addition, the class should have the following methods:
*The getSubtotal method should return the subtotal of the sale, which is the quantity multiplied by the price. This method must get the price from the RetailItem object that was passed as an argument to the constructor.
*The getTax method should return the amount of sales tax on the purchase. The sales tax rate is 6 percent of a retail sale.
*The getTotal method should reuturn the total of the sale, which is the subtotal plus the sales tax.
Demonstrate the class in a program that asks the user for the quantity of items being purchased, and then displays the sale’s subtotal, amount of sales tax, and total.
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The output should look like this:
Item being purchased: Apple
Units on hand: 75
Price: $0.25
How many apples are you buying? 100
Sorry, we only have 75 in stock.
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Item being purchased: Apple
Units on hand: 75
Price: $0.25
How many apples are you buying? 15
Subtotal: $3.75
Sales Tax: $0.23
Total: $3.98
Units on hand: 60
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ScholarMatic: Explanation & Answer
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