Exercise : Write a program that print the final price of purchase at a store where everything costs exactly one dollar. Ask for the number of items purchased. Compute a sales tax of: 8 percent if the users purchase is less than $100 7.5 percent if the purchase is greater or equal to $100. Also if the purchase is over $500, give the customer an additional 10 percent after-tax discount. Print the purchase price, the amount of tax, the amount of the discount ($0.00 if no discount applies) and the total price. Output: Enter number of items purchased= 60 the purchase price= 60 $ the amount of tax= 4.8 $ the amount of the discount= 0.00$ the total price= 64.8 $ Enter number of items purchased= 510 the purchase price= 510$ the amount of tax= 38.25$ the amount of the discount= 54.82$ the total price= 493.42$