Suppose two portfolios have the same average return and the same standard deviation of returns, but portfolio A has a lower beta than portfolio B. Using the Treynor ratio of performance evaluation, indicate which of the following statements is correct or incorrect. The performance of portfolio A is better than the performance of portfolio B [Choose ] The performance of portfolio A is the same as the performance of portfolio B [Choose ] The performance of portfolio A is worse than the performance of portfolio B [Choose ] The Treynor ratio is scaled by the standard deviation of portfolio returns [Choose ]