Five investment alternatives have the following returns and standard deviation

Five investment alternatives have the following returns and standard deviations of returns.

Alternatives___Returns: Expected value____Standard Deviation

A__________________$1850_____________________$450

B__________________$1500_____________________$1020

C__________________$6500_____________________$3200

D__________________1610______________________$1140

E__________________67200_____________________$22100

Calculate the coefficient of variation and rank the five alternative from lowest risk to highest by using the coefficient of variation