A loan of 20,000 is repaid with monthly payments for 5 years using the sinking fund method. The loan charges 10% interest compounded twice a year. The sinking fund earns an annual effective interest rate of 8%. Calculate: the interest payment that is paid monthly to service the loan and the sinking fund deposit paid monthly. (Hint: 274.18) the amount in the sinking fund immediately after the 30th payment. (Hint: 9040.94)