Heritage Inc. has the option to buy a widget machine. The initial investment required today is $240,000. The machine is expected to generate revenues of $65,000 each year for the next 5 years, at which time it can be sold for $20,000 after-tax. If the firms hurdle rate is 15%, what is the NPV? What is the PI? What is the IRR? What is the MIRR? What is the payback period?

Please show all work and formulas. Espically for the IRR and MIRR.