can you explain how to get the Npv

Howell Petroleum, ne is trying to evaluate a generation project in the following cash fows: Cash Flow a. If the company requires a return of 10 percent on its investments, what is the NPV of the project 1Do not round intermediate calculations and round your answer to 2 decimal places, ... 32.16.) b. Compute the IRRs for this project. Do not found intermediate calculations and enter your answers as a percent rounded to 2 decimal places... 32.16. Enter the larger IRR in the first answer box and the smaller IRR in the second answer box. If you can only calculate one IRR enterit in both boxes to receive partial credit. A negative answer should have a minus sign.) Internal rate of burn Internal rate of return