4. Kim Corporation is considering an investment of $500 million with expected a 9 an investment of $500 million with expected after-tax cash intlows of $250 million per year for 4 years. The required return is 10 percent. Expressed in years, what is the project's payback period? (8) Bonus Question. (3) The payback of an investment is 2.25 years. The project's cash flows are as indicated below. What's the IRR of the investment project? Year Cash Flow $1,000 $1,500 S2000 $2500 not enough information 3.73% 37.3% 29.2% Formula: PVFV FV = PV *(1+r) r= (FV/PV) - 1