Gamma Electronics Gamma Electronics is considering the purchase of testing equipment that will cost $800,000 to replace old equipment. Assume the new machine will generate after-tax savings of $400,000 per year over the next four years. If Gamma Electronics has a 12% cost of capital, what's the profitability index of the investment? Profitability index = (present value of cash flows years 1 ton) cost of the project at time 0 O 2.0 0.5 O 1.5 O 1.0 thony