I need help getting the correct answers on this problem. Please include how you got answers. If you can use financial calculator on this problem, please show the steps in putting it into calculator! Thanks in advance.

Your firm is contemplating the purchase of a new $1,387,500 computer-based order entry system. The system will be depreciated straight-line to zero over its 5-year life. It will be worth $135,000 at the end of that time. You will be able to reduce working capital by $187,500 (this is a one-time reduction). The tax rate is 31 percent and your required return on the project is 17 percent and your pretax cost savings are $548,000 per year. Requirement 1: What is the NPV of this project? $254,022.76 Requirement 2: What is the NPV if the pretax cost savings are $394,550 per year? $-96,821.93 C Requirement 3: At what level of pretax cost savings would you be indifferent between accepting the project and not accepting it? $16,573.22 C