(b) Locust Inc. owes $16,000.00 to be repaid by monthly payments of $470.00. Interest is 9% compounded monthly. (a) How many payments will Locust Inc. have to make? How much interest is included in the 19th payment? (c) How much of the principal will be repaid in the 7th payment period? Construct a partial amortization schedule showing details of the first three payments, the last three payments, and totals. (d)