P8-9 (similar to) Assigned Media v Question Help Rate of return, standard deviation, coefficient of variation Personal Finance Problem Mike is searching for a stock to include in his current stock portfolio. He is interested in Dell Technologies Inc.; he has been impressed with the company's computer products and believes Dell 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 1.23 Mike has obtained the following price information for Dell stock Dell has not paid any dividends during these 4 years. a. Calculate the rate of return for each year, 2017 through 2020, for Dell stock. b. Assume that each year's return is equally probable and calculate the average return over this time period. c. Calculate the standard deviation of returns over the past 4 years. (Hint: Treat this data as a sample.) d. Based on b and c determine the coefficient of variation for the security e. Given the calculation in d what should be Mike's decision regarding the inclusion of Dell stock in his portfolio? Data Table (Click on the icon here e in order to copy the contents of the data table below into a spreadsheet.) Stock price Year Beginning End 2017 $14.81 $20.19 2018 $20.19 $64.86 2019 $64.86 $72.67 2020 $72.67 $90.27 Check