Rogue River, Inc. is considering a project that has an initial outlay or cost of $220,000. The respective future cash inflows from its four-year project for years 1 through 4 are: $50,000, $60,000, $70,000, and $80,000, respectively. What is Rogue River internal rate of return using discount rates of 5% and 8%? a. Rogue River IRR is about 4.60%. b. Rogue River IRR is about 6.50%. c. Rogue River IRR is about 9.70%. d. Rogue River IRR is about 8.70%