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. 11% 9 Annually % b. 12% 6 Quarterly % C. 12% 19 Semiannually % 2. In a present value of an annuity of 1 table: (Round answers to 1 decimal place, e.g. 458,58.1.) Annual Rate Number of Years Invested Number of Rents Involved Frequency of Rents (a) Rate of Interest (b) Number of Periods a. 9% 28 28 Annually % b. 10% 14 28 Semiannually % c. 12% 6 24 Quarterly % Crane Corporation purchased a special tractor on December 31, 2020. The purchase agreement stipulated that Crane should pay $21,960 at the time of purchase and $5,430 at the end of each of the next 8 years. The tractor should be recorded on December 31, 2020, at what amount, assuming an appropriate interest rate of 12%? (Round factor values to 5 decimal places, e.g. 1.25124 and final answer to 0 decimal places, e.g. 458,581.)