1.. Projects A and B are mutually exclusive. The cash flows of each project are given below. (2 pts) Year Project A 0 -240,000 1 20,000 2 50,000 3 100,000 4 150,000 Project B -225,000 145,000 60,000 40,000 30,000 a) If you are using an IRR approach, which project will you select? b) If you are using an NPV approach instead, and similar projects require rate of return of 6%, which project would you select? What if the require rate of return is 12%