Please no Excel, thank you!

Problems with IRR Howell Petroleum, Inc., is trying to evaluate a generation project with the following cash flows: Page 272 a. If the company requires a return of 12 percent on its investments, should it accept this project? Why? b. Compute the IRR for this project. How many IRRs are there? If you apply the IRR decision rule, should you accept the project or not? What's going on here