C$2.($various parts$)$ You are evaluating an investment alternative that costs $$65,000,$ is expected to last $7$ years, and has a $$6000$ salvage value. The investment is expected to generate an operating cash inflow of $$17,000$ each year for years $1,2,$ and $3,$ and $$18,000$ in years $4,5,6,$ and $7.$ The operating cash outflow each year is the first $4$ numerical digits of your OSU CWID ID number $($for example, if your number is A$2023****,$ then your operating cash outflow is $$2,023).$

a$.(4)$ Calculate the payback period for this investment.

b$.(4)$ Calculate the simple rate of return for this two investment.

c$.(4)$ Using a $9\%$ discount rate, calculate the NPV for this investment.

d$.(4)$ Calculate the IRR for this investment.