The following returns for Company X were observed over the past 5 years: RX1 = 2% RX2 = -4% RX3 = 6% RX4= = 4% RX5 = 2% Calculate the Coefficient of Variation for these returns during this 5-year period. (Note: This will require that you first calculate the mean, the variance, and the standard deviation of these returns.) 0.5976 1.8708 1.6733 0.5345