need detailed help

9. a. You are considering investing in an athletic program at the State University. The purchase price of a new stadium is $15 million. The stadium will generate revenues of $3 million per year for six years. Assume that the salvage value of the stadium is zero. Compute the payback period. b. Compute the simple rate of return on the investment. What is the net present value of the investment if the cost of capital is 8 percent? d. What is the internal rate of return on the investment? What is the profitability index of the investment? c. e