Problem 5-13 Problems with IRR Howell Petroleum. Incorporated, is trying to evaluate a generation project with the following cash flows: a-1. What is the NPV for the project if the company requires a retum of 12 percent? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) 2. Should the firm accept this project? b. (A negative answer should be indicated by a minus sign. Do not round intermediate colculations and enter your answers as o percent rounded to 2. decimal ploces, e.g. 32.16.)