Question

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Call the methods by objects of class sale.
calculateAmount()
displaySaleDetails()​

Answer 1

Explanation:

Within the set () method for the sale amount, calculate the sales tax as 5% of the sale ... that declares a Purchase object and prompts the user for purchase details. ... Now a different class can call the getInvoice() method and retrieve the value ... Since you are using the DisplaySale () method to print the values, the getters

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