Stocks A, B, and C have expected returns of 20 percent, 20 percent, and 16 percent, respectively, while their standard deviations are 49 percent, 20 percent, and 20 percent, respectively. If you were considering the purchase of each of these stocks as the only holding in your portfolio and the risk-free rate is 0 percent, which stock should you choose? (Round answers to 2 decimal places, e.g. 15.25.)

1.Coefficient of variation of Stock A

2.Coefficient of variation of Stock B

3.Coefficient of variation of Stock C