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): Discounts per Year Case A Case B Case C Annual Rate 9% 12% 10% Number of Years Involved 5 14 10 Annually Annually Semiannually (a) (b) Case A %6 periods Case B 96 periods Case C % periods (2) In Table 4 (present value of an annuity of 1): Number of Annual Rate Years Involved Case A 12% 15 Case B 11% 5 Case C 12% 6 Number of Payments Involved 15 5 12 Frequency of Payments Annually Annually Semiannually (a) (b) Case A % periods Case B %6 periods Case B 14 Case de 12% 10% Annually Semiannually 10 (a) (b) Case A % periods Case B periods Case C % periods (2) In Table 4 (present value of an annuity of 1): Case A Case B Case C Annual Rate 12% 11% 12% Number of Years Involved 15 5 6 Number of Payments Involved 15 5 12 Frequency of Payments Annually Annually Semiannually (a) (b) Case A % periods Case B % periods Case % periods