Answer the following short questions concerning the Internal Rate of Return (IRR). a. Your cost of capital (required rate of return) is 12%. Using the Internal Rate of Return criterion, should you accept this project? Time 0 Time 1 Time 2 Time 3 Time 4 Time 5 $72,000 -$18,000 $18,000 -$18,000 -$18,000 -$18,000 b. An investment has a time zero cost of $900,000 and produces after-tax cash flows of $144,000 in perpetuity. What is (are) the IRR (IRR's) of this investment? C. An investment of $190,000 produces a perpetual stream of cash flows. Next year, the cash inflow will be $47,250, and this will grow at 4% per year forever. What is (are) the IRR/ (IRR's) of this investment? d. Calculate the IRR (IRR's) of the following project: Time 0 Time 1 Time 2 ($13,000) $6,500 $10,000 "('s" denote negative cash flows e. For the project in d above, what would you do if your MARR were 10%? 20%? 40%