t. Microsoft (MSFT) is currently.F trading at NASDAQ. Yahoo! Finance provides historical stock price information: -m- Dermot? 31.53% Barnacle $59.32 13.33% Oct. 1,2015 5 52.64 12.12% "m Using the information above, answer the following questions. (a) What is the arithmetic average {mean} annual return? (b) What is the 5-year holding period return? What is the 5-year holding period return expressed as an EAR? (c) What are the variance and standard deviation of the returns? (d) In the calculation of {c}, did you use formulas for sample or population? Why did you use samrrlefpopulation over populationfsample formulas? (e) If you were asked to use these historical retun'rs to predict future expected returns of Microsoft, what probiemsfehallenges you ma].r encounter? (i) What kind of news will change MSFT's independent risk? Give three examples. 1Your examples do not have to be some] events that have happened