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): Number of Discounts Annual Rate Years Involved per Year Case A 10% 8 Case B 10% 10 Case C 8% 110 Annually Semianually Semiannually (a) Case A 5 % % (b) 8 periods 20 periods 20 periods Case B 5 % Case C 4