Coefficient of variation Metal Manufacturing has isolated four alternatives for meeting its need for increased production capacity. The following table summarizes data gathered relative to each of these alternatives, a. Calculate the coefficient of vanation for each alternative. b. If the firm wishes to minimize risk, which alternative do you recommend? Why? (Click on the icon located on the top right comer of the data table below in order to copy its contents into a spreadsheet Alternative A B C D Expected return 20% 22% 19% 16% Standard deviation of return 70% 9.5% 60% 5.5%