(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 5 th 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 6th 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 6th payment is S (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.)