Excel SpreadSheet. please show functions. perfer to screenshot excel doc. thanks for help.

Smith Loan Company makes home improvement loans to individual customers. All loans are for four years and require the customer to make one payment at the end of every quarter. Annual interest rates range from 7.50% to 14.99% depending on the customer's credit score. Requirements: 1. Create a user input section at the top of the worksheet where Smith (the user) can input the amount of the loan and the annual interest rate for the customer. a. Pretend you are the user and enter any loan amount that you wish. b. Pretend you are the user. Enter any annual interest rate that you wish. i. Use data validation so that the user must enter an annual interest rate from 7.50% to 14.99%. No input or error messages are required. 2. Create an amortization schedule for the loan. a. You must include columns for the following items: period, beginning principal, payment, principal reduction, interest, and ending principal. 3. Create a second user input section, to the right of the first input section, where the user can input a starting period and an ending period. a. Pretend you are the user and enter any starting and ending period for the loan that you wish. b. Calculate the cumulative principal payments for the periods input by the user. c. Calculate the cumulative interest for the periods input by the user. 4. Calculate the total interest the customer will pay over the life of the loan