You've estimated the following cash flows (in $) for two mutually exclusive projects:

Year	Project A	Project B
0	-5,500	-8,250
1	1,325	1,325
2	2,148	2,148
3	4,043	7,971

The required return for both projects is 8%.

Part 1: What is the IRR for project A?

Part 2: What is the IRR for project B?

Part 3: What is the NPV for project A?

Part 4: What is the NPV for project B?