Novell, Inc., has the following mutually exclusive projects.

Year		Project A		Project B
0		$21,000		$24,000
1		12,500		13,500
2		9,000		10,000
3		3,000		9,000

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.)

Project A: _____ years

Project B: _____ years

b-1.	What is the NPV for each project if the appropriate discount rate is 17 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.)

Project A NPV: _____

Project B NPV: _____