plz help

You are thinking about opening your own business. You expect the following a. What is the payback period for this project? years (State as X.XX years.) b. What is the discount payback period for this project? years (State as X.XX years.) c. What is the net present value? NPV =$ (State as $ XX,XXX; rounded to dollar.) d. What is the profitability index? (State as X.XX.) e. Should we accept this project? (Fill in Yes or No