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: 2. ina present value of an annuity of 1 table; (Reund "Rete of tnterest" answen to 1 decimal place, e. 4.5 and other answers to 0 decimal places, es 45 .)