Given the expected return and standard deviation of stocks A and B as shown in the table: a. Calculate the coefficient of variation of stocks A and B, respectively. Round the results to 0.001 . b. Based on the coefficient of variation, which stock is riskier? Round the results to 0.01%. c. Assume stock C has the same coefficient of variation as stock A does, what is the expected return on stock C if its standard deviation is 12% ? Assume the T-bill rate is 5%. Given the expected return and standard deviation of stocks A and B as shqian in the table: d. Calculate the Sharpe ratio of stocks A and B, respectively. Round the results to 0.001 . e. Based on the Sharpe ratios, which stock do you prefer as a risk-averse investor? f. Interpret the Sharpe ratio of stock A in words