- 6 Create A Class Named Purchase Each Purchase Contains An Invoice Number Amount Of Sale And Amount Of Sales Tax Add 1 (26.68 KiB) Viewed 43 times
6. Create a class named Purchase. Each Purchase contains an invoice number, amount of sale and amount of sales tax. Add a no-argument constructor which initializes invoice number to 0, sale amount and sales tax to 0.0 and a constructor that initializes all instance variables through the parameters. Include a set method for the invoice number and two overloaded setSale Amount() methods: • void setsaleAmount (double amount) // set of sale only void setsaleAmout (double amount, double rate) //set sale amount and calculate sales tax based on the second argument Also include a display0 method that displays a purchase's details. amount Create an application that declares a Purchase object and prompts the user for purchase details. Set all the purchase details to the Purchase object. Finally, display the objects invoice number, sale amount and sales tax.