Ted Fears is highly risk averse, while Sonny Outlook actually enjoys taking a risk. Investments Returns: Expected Value Standard Deviation Buy stocks $ 8,820 $ 6,010 Buy bonds 7,590 2,220 Buy commodities 25,600 25,600 Buy options 19,500 17,200 a-1. Compute the coefficients of variation. (Round the final answers to 2 decimal places.) Coefficient of variation Buy stocks Buy bonds Buy commodities Buy options a-2. Which of the four investments should Ted choose? Buy bonds Buy stocks Buy commodities Buy options b. Which of the four investments should Sonny choose? Buy bonds Buy stocks Buy commodities Buy options