(6%) Develop a general-purpose Excel spreadsheet to calculate and show, the balance due, principal payment, and interest payment for each period of a loan. The user inputs to the spreadsheet will be the loan amount, the number of payments per year, the number of years payments are made, and the nominal interest rate (r). Make the following analysis in separate Excel sheets in the same file. a. A loan in the amount of $28,460 at 4.36%, 5.36%, 6.34% APR over 36, 50 and 72 months respectively. (1) What is the total interest paid for each number of payments (period)? (2) What is the total interest paid for each year? (3) What is the total interest paid? (4) Compare the options and discuss the pros and cons of each option. Include the results of the previous sections in your discussion b. Loan in the amount of $189,500 at 4.1% APR over 15, 20 and 30 years. (1) What is the total interest paid for each number of years? (2) What is the total interest paid for each option? (3) Compare the options and discuss the pros and cons of each option. Include the results of the previous sections in your discussion