Please Solve As soon as Solve quickly I get you thumbs up directly Thank's

398 PART 4 Fisk and the Required Rate of Return GO Personal Finance Problem DB-9 Rate of return, standard deviation, and coefficient of variation Mike is searching for a stock to include in his current stock portfolio. He is interested in Hi-Tech, Inc.; he has been impressed with the company's computer products and believes that Hi-Tech is an innovative market player. However, Mike realizes that any time you consider a technology stock, risk is a major concern. The rule he follows is to include only securities with a coefficient of variation of returns below 0.90. Mike has obtained the following price information for the period 2012 through 2015. Hi-Tech stock, being growth-oriented, did not pay any dividends during these 4 years. Year 2012 2013 2014 2015 Stock price Beginning End $14.36 $21.55 21.55 64.78 64.78 7238 72.38 91.80 ca. Calculate the rate of return for each year, 2012 through 2015, for Hi-Tech stock b. Assume that each year's return is equally probable, and calculate the average re- turn over this time period Le Calculate the standard deviation of returns over the past 4 years. (Hint: Treat these data as a sample.) d. Based on b and determine the coefficient of variation of returns for the security. . Given the calculation in d, what should be Mike's decision regarding the inclu- sion of Hi-Tech stock in his portfolio