what will be the size of each of the four annual payments? please fill out as an excel. thank you!

4. Your big brother has just loaned you $20,000 at a 9%, APR interest rate to replace your car which has finally died. Since you will not graduate for two more years, you can't begin to repay him until you finish school and get a job. The two of you agreed that the loan will be repaid in four equal annual payments with the first payment due three years from now. What will be the size of each of the four annual payments? (10 points)