Consider a student loan of $20,000 at a fixed APR of 12% for 20 years. a. Calculate the monthly payment. b. Determine the total amount paid over the term of the loan. c. Of the total amount paid, what percentage is paid toward the principal and what percentage is paid for interest. a. The monthly payment is $ (Do not round until the final answer. Then round to the nearest cent as needed.) b. The total payment over the term of the loan is $[ (Round to the nearest cent as needed.) c. Of the total payment over the term of the loan, % is paid toward the principal and % is paid toward interest. (Round to the nearest tenth as needed.)