Pls solve i dont have much time only 30 min

17) The market risk premium is computed by: A) adding the risk-free rate of return to the inflation rate. B) adding the risk-free rate of return to the market rate of return. C) subtracting the risk-free rate of return from the inflation rate. D) subtracting the risk-free rate of return from the market rate of return. E) multiplying the risk-free rate of return by a beta of 1.0. 18) The initial outlay or cost is $1,000,000 for a four-year project. The respective future cash inflows for years 1,2,3 and 4 are: $500,000,$300,000,$300,000 and $300,000. What is the payback period without discounting cash flows? A) About 2.50 years B) About 2.67 years C) About 3.67 years D) About 4.50 years F) None of the above