13. You put away $9,000 eighteen years ago. Today, that single investment is now worth $29,932. What is the average annual rate of return you earned on your single investment?

19. Your company takes out a 8-year term loan to borrow $3,600,000 to finance a building expansion. The annual interest rate
on the loan is 6.7% and equal payments are made monthly. How much will the monthly payment be?

20. Referring back to question #19, how much total interest will the company be paying over the life of the term loan?