(MIRR calculation) Artie's Wrestling Stuff is considering building a new plant. This plant would require an initial cash outlay of $7 million and would generate annual free cash inflows of $3 million per year for 7 years. Calculate the project's MIRR given: a. A required rate of return of 9 percent b. A required rate of return of 11 percent c. A required rate of return of 14 percent a. If the required rate of return is 9 percent, what is the project's MIRR? % (Round to two decimal places.)