I need help with this corporate finance question!!??

5. a) Discuss the concept of risk and how it might be measured. b) Explain how the concept of risk can be incorporated into the capital budgeting process. c) Five sports investment alternatives have the following returns and standard deviations of returns: Alternative Returns Expected Value $5,000 Standard Deviation $1,200 4,000 600 4,000 800 8,000 3,200 10,000 900 Using the coefficient of variation, rank the five alternatives from lowest risk to highest risk Lakeway Sports Co. is more typical of the average corporation and is risk- averse. Which one of the four alternatives should Lakeway Train Co. choose