Cooker Company wants to buy a new machine that costs $500,000. Y1 ncf = 126,800, Y2 ncf = 160,670, Y3 ncf = 155,731, Y4 ncf = 144,916, Y5ncf = 183,065 and the discount rate is 10%. Find payback period, discounted payback period, NPV, IRR, PI. ( Please use Excel and show work)