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. (Round percentages to 1 decimal place, e.g. 15.1%.) (1) In Table 3 (future value of 1): Case A Case B Case C Annual Rate 12% 9% 12% Number of Years Involved 6 8 6 Discounts per Year Annually Semianually Semiannually (a) (b) Case A % periods Case B % periods Case C % periods (2) In Table 2 (future value of an annuity of 1): Number of Years Involved 15 Number of Payments Involved 15 Annual Rate 11% 11% 696 Case A Case B Case C Frequency of Payments Annually Annually Semiannually 4 4 4 8 (b) Case A % periods Case B % periods Case C % periods