Exercise 6-1 For each of the following cases, indicate (a) to what rate columns, and (b) to what number of periods you would refer in looking up the interest factor. 1. In a future value of 1 table: Annual Rate Number of Years Invested Compounded (a) Rate of Interest (b) Number of Periods a. 10% 10% Annually b. 8% Quarterly C. 8% Semiannually 2. In a present value of an annuity of 1 table: Annual Rate Number of Years Invested Number of Rents Involved Frequency of Rents (a) Rate of Interest (b) Number of Periods a. 9% Annually 10% Semiannually 8% Quarterly