A firm is considering the following projects. Its opportunity cost of capital is 8%.

			Cash Flows, $
Project	Time:	0	1	2	3	4
A		-6,100	+1,275	+1,275	+3,550	0
B		-2,100	0	+2,100	+2,550	+3,550
C		-6,100	+1,275	+1,275	+3,550	+6,100

a-1. What is the payback period on each project? (Do not round intermediate calculations. Round your answers to the nearest whole number.)

a-2. What is the discounted payback period on each project? (Do not round intermediate calculations. Round your answers to 2 decimal places. If any of the projects does not pay back on a discounted basis, enter zero ("0").)