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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 10% b.8% . 1096 Annually Quarterly Semiannually 18 2. In a present value of an annuity of 1 table: Annual Number of Years Number of Rents Frequency of (a) Rate of(b) Number of S Rate 10% 12% 1296 Invested 26 16 Involved 26 32 28 Rents Annually Semiannually Quarterly Interest Periods a