Five investment alternatives have the following returns and standard deviations of returns. Alternatives B C D E Returns: Expected Value $ 1,630 3,810 3,810 5,290 14,200 Standard Deviation $ 960 1,220 1,160 3,090 1,770 Calculate the coefficient of variation and rank the five alternatives from lowest risk to the highest risk by using the coefficient of variation (Round your answers to 3 decimal places.) Alternatives Coefficient of Variation Rank B D E