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):

		Annual Rate		Number of Years Involved		Discounts per Year
Case A		10%		5		Annually
Case B		9%		14		Annually
Case C		7%		9		Semiannually

		(a)		(b)
Case A		%		periods
Case B		%		periods
Case C		%		periods

(2) In Table 4 (Present Value of an Annuity of 1):

		Annual Rate		Number of Years Involved		Number of Payments Involved		Frequency of Payments
Case A		12%		18		18		Annually
Case B		10%		8		8		Annually
Case C		10%		4		8		Semiannually

		(a)		(b)
Case A		%		periods
Case B		%		periods
Case C		%		periods