The debt is amortized by equal payments made at the end of each payment interval. Compute (a) the size of the periodic payments; (b) the outstanding principal at the time indicated; (c) the interest paid by the payment following the time indicated; and (d) the principal repaid by the payment following the time indicated for finding the outstanding principal. (a) The size of the periodic payment is $ (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.) (b) The outstanding principal after the 8th payment is $ (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.) (c) The interest paid by the 9 th payment is $ (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.) (d) The principal repaid by the 9 th payment is $ (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.)