Maxwell Software, Inc., has the following mutually exclusive projects.

Year		Project A		Project B
0		$28,000		$31,000
1		16,000		17,000
2		12,500		11,000
3		3,700		12,500

a-1.	Calculate the payback period for each project.(Do not round intermediate calculations and round your answers to 3 decimal places, e.g., 32.161.)

	Payback period
Project A	years
Project B	years

a-2.	Which, if either, of these projects should be chosen?
	Project A Project B Both projects Neither project

b-1.	What is the NPV for each project if the appropriate discount rate is 15 percent?(A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.)

	NPV
Project A	$
Project B	$

b-2.	Which, if either, of these projects should be chosen if the appropriate discount rate is 15 percent?
	Project A Project B Both projects Neither project