A debt of $40,000 is repaid over 10 years with payments occurring semi-annually. Interest is 12% compounded quarterly. (a) What is the size of the periodic payment? (b) What is the outstanding principal after payment 6? (c) What is the interest paid on payment 7? (d) How much principal is repaid in payment 7? (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 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 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 is $ (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.)