Please explain how to solve unconventional cash flow in the financial calculator and how to find two IRR? provide reasoning with an example. Thank you.

Howell Petroleum, Inc., is trying to evaluate a generation project with the following cash flows: Year 0 1 2 Cash Flow -$31,000,000 48,000,000 -7,000,000 Required: (a) If the company requires a 10 percent return on its investments, what is the NPV of the project? (Do not round intermediate calculations. Round your answer to 2 decimal places (e.g., 32.16).) NPV $ (b) Compute the IRR for this project. (Do not round intermediate calculations. Enter the positive value in the first answer box, and the negative value in the second answer box. Enter your answers as a percentage rounded to 2 decimal places (e.g., 32.16).) Internal rate of return % % Internal rate of return