Dollar Store

A store sells all items for $$1.$ Customers buying $10$ or more items receive a $5\%$ discount. Additionally, there is $7\mathrm{.}5\%$ sales tax.

a$)$ Write a program that prompts the user for the number of items purchased and calculates the total cost before and after tax. Here is an example run:

Enter number of items: $11$

Gross cost: $11\mathrm{.}0$

Discount: $0\mathrm{.}55$

Net cost: $,10\mathrm{.}45$

Tax: $,0\mathrm{.}78$

After tax: $11\mathrm{.}23$