C$++$ Your project will simulate a cash register. It will allow the user to enter the price of $3$ items, find the total after calculating sales tax $(6\%),$ accept a payment amount, and calculate change.

It will then ask if there is an additional customer. End the program when there are no more customers.

For this project, you will write a program that completes the following:

$$ Uses a while loop. This can be done for the next customer or the next item. Use while loop

$$ While in this loop, you should ask for the price of $3$ items, calculating and displaying subtotal, tax and total. Remember to declare your variables, and initialize them all! Practice with W$3$schools or zyBooks is allowed