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, c.8. 15.1%) (1) In Table 3 (future value of 1): Number of Years Involved Discounts per Year 4 Case A Case B Case C Annual Rate 8% 896 896 8 6 Annually Semianually Semiannually (b) Case A % periods % Case B periods Case C 96 periods (2) In Table 2 (future value of an annuity of 1): Number of Years Involved 15 Number of Payments Involved 15 Case A Case B Case C Annual Rate 8% 8% 6% Frequency of Payments Annually Annually Semiannually 4 4 4 8 (a) (b) Case A % periods 96 Case B periods Case %6 periods