IOP chart, desk checking table and C++ programming in visual studio

3. Wake Tech Rack is having a sale on its merchandise. The Chief Operations Officer (COO) wants a program that requires the clerk to enter the original price of a T-shirt, the discount rate and number of T-shirt the customer ordered. The program should then calculate and display the new sales price of one T-shirt, number of T-shirt the customer ordered, subtotal, sales tax, shipping and handling fee and total payment. Assuming the sales tax is 7%, the shipping and handling fee is $3.99 for each order. Use the following two test cases for desk-checking: (20%) original_price discount_rate number_ordered 120 0.25 2 105 0.10