Please help.

(NPV with varying required rates of return) Gubanich Sportswear is considering building a new factory to produce aluminum baseball bats. This project would require an initial cash outlay of $4,000,000 and would generate annual free cash inflows of $1,200,000 per year for 7 years. Calculate the project's NPV given: a. A required rate of return of 8 percent b. A required rate of return of 11 percent c. A required rate of return of 14 percent d. A required rate of return of 17 percent a. If the required rate of return is 8 percent, the project's NPV is $ b. If the required rate of return is 11 percent, the project's NPV is $ c. If the required rate of return is 14 percent, the project's NPV is $ d. If the required rate of return is 17 percent, the project's NPV is $ (Round to the nearest dollar.) (Round to the nearest dollar.) (Round to the nearest dollar.) (Round to the nearest dollar.)