54 years You borrow money on a self liquidating installment loan (equal payments at the end of each year, each payment is part principal part interest) Loan amount $509,000 Interest Rate 10.7% Life Date of Loan January 1, 2021 Use the installment method - not straight line Do NOT round any intermediate numbers. Do NOT turn this into a monthly problem Do NOT put in minus signs, answer all positive numbers. Required: 1. What is the annual payment (round to the nearest $)? 2. What are the total Interest payments (round to the nearest $)2 $ 3. After 31 payments have been made, what percentage of the total Interest has been paid (round to the nearest percentage point)? % 4. After 31 payments have been made, what percentage of the total principal has been paid (round to be nearest percentage point)? Redo the problem if the interest rate is 1% (for a well designed spreadsheet this should take 30 seconds) Required: 5. What is the annual payment (round to the nearest $i? $ 6. What are the total interest payments (round to the nearest $)? 7. After 31 payments have been made, what percentage of the total interest has been paid (round to the nearest percentage point)? 8. After 31 payments have been made, what percentage of the total principal has been paid (round to the nearest percentage point