单项选择题 A portfolio manager generated a rate of return of 15.5% on a portfolio with beta of 1.2.If the risk-free rate of return is 2.5% and the market return is 11.8%，Jensen’s alpha for the portfolio is closest to：（）

单项选择题 If the degree of financial leverage （DFL）is 1.00，the operating breakeven point compared to the breakeven point，is most likely（）

单项选择题 Which of the following is most likely a sign of a good corporate governance structure？（）