9. Jenna has taken out a loan for $60,000 for home renovations. She will pay off the loan with monthly payments made at the end of each month for twelve years. The amortization method is used to pay off the loan. The interest rate on the loan is 9% compounded monthly. a) Find the size of the monthly payment on the loan. (3 points) b) How much interest will she have paid over the life of the loan? (3 points)