Assume that Gerhardt Corporation is considering a capital investment of EUR$50$ million that will return after$-$tax cash flows of EUR$16$ million per year for the next four years, plus another EUR$20$ million in Year $5.$ If the company$$s required rate of return is $10\%$

a$.$ Calculate NPV for the investment

b$.$ Calculate payback period

c$.$ Calculate Payback period and discounted payback period

d$.$ Calculate PI for the investment