Please show your work, thank you.

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): Number of Discounts Annual Rate Years Involved per Year 9% Case A Annually Case B 12% 10 Annually Case C 10 Semiannually 8% Case A periods Case B periods Case C periods (2) In Table 4 (Present Value of an Annuity of 1) Number of Number of Frequency of Payments Annual Rate Years Involved Payments Involved Case A Annually 9% 17 17 Case B 12% Annually 6 6% Semiannually Case C 14 periods Case A periods Case B periods Case C