Brief Exercise G-7 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 o (1) In Table 3 (present value of 1): iscount rate. Number of Discounts Annual Rate Years Involved per Year Case A Case B Case C 896 12% 12% Annually Annually Semiannually 14 Case A Case B Case C (2) In Table 4 (present value of an annuity of 1): periods periods periods Number of Number of 15 16 Frequency of Annual Rate Years Involved Payments Involved Payments Case A Case B Case C 9% 12% 10% 15 Annually Annually Semiannually Case A Case B Case C periods periods periods (For calculation purposes, use 5 decimal places as displayed in the factor table provided.) (a) what is the present value of $30,000 due 11 periods from now, discounted at 6%? (Round answer to 2 Present value 15803.63 (b) what is the present value of $30,000 to be received at the end of each of 9 periods, discounted at 12%? ( Present value