Mahjong, Inc., has identified the following two mutually exclusive projects: Year Cash Flow (A) Cash Flow (B) 0 $36,900 $36,900 1 19,260 6,760 2 14,760 13,260 3 12,260 19,760 4 9,260 23,760 Required:

(a) What is the IRR for Project A?

(b) What is the IRR for Project B?

(c) If the required return is 15 percent, what is the NPV for Project A?

(d) If the required return is 15 percent, what is the NPV for Project B?