For each of the following cases, indicate (a) what interest rate columns and (b) what number of periods you would refer to in looking up the discount rate. (1) In Table 3 (Present Value of 1): Number of Years Involved 4 10 Discounts Case A Case B Case C Annual Rate 9% 11% 9% per Year Annually Annually Semiannually Case A Case B Case C 9% 10% 5% 4 periods 12 periods 9 periods (2) In Table 4 (Present Value of an Annuity of 1): Number of Years Involved Number of Frequency of Annual Rate 11% 12% 12% Payments Involved 20 8 14 Payments Annually Annually Semiannually 20 Case A Case B Case C Case A Case B Case C periods periods periods