The standard deviation of returns for XYZ stock is 30% and it is 21% for ABC stock. Both stocks give you an average return of 7% per year. Select one or more: A. ABC stock and XYZ stock have the same risk level. B. The Sharpe ratio for both stocks is above 1.0 (one). C. Risk should be measured using variance and not standard deviation D. ABC stock is a riskier investment than XYZ stock E. XYZ stock is a riskier investment than ABC stock