A corporation is in the process of choosing the better of two equal-risk, mutually exclusive investment projects - project A, and project B. The relevant cash flows for each project are shown in the following table. The corporations cost of capital for similar projects is 15%.

Year	Project A	Project B
0	-29,000	-27,000
1	10,000	11,000
2	10,000	10,000
3	10,000	9,000
4	10,000	8,000

(a). Calculate each projects payback period