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): (2) In Table 4 (present value of an annuity of 1): 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): (2) In Table 4 (present value of an annuity of 1)