9. An investment cost $250,000 with expected cash flows of $80,000 a year for 4 years. What is the project's IRR closest to? (Hint: You can use any of the following annuity factors: AF(10%,4)=3.1699,AF(10%,5)=3.7908,AF(15%,4)=2.8550, AF(15%,5)=3.3522,AF(20%,4)=2.5887,AF(20%,5)= 2.9906.) A. 15 percent B. 8 percent C. 0 percent D. 10 percent E. 20 percent 8. You are considering a project with an initial cost of $4,300. What is the payback period for this project if the cash inflows are $550,$970,$2,600, and $500 a year over the next four years? A. 2.04 years B. 2.36 years C. 2.89 years D. 3.04 years E. 3.36 years