Maria is a portfolio manager tasked with evaluating the performance of her equity investment fund over the past year. Her fund has consistently outperformed its benchmark, the S&P 500, which had an annual return of 10%. Upon reviewing her fund's performance, Maria notes that her fund generated a return of 15%, after fees, for the same period. To assess her performance effectively, Maria considers using different performance appraisal methods.
Which of the following statements regarding the evaluation of Maria’s fund performance is most accurate?