Which statement best describes the performance of the Vanguard 500 Index Fund Admiral Shares compared to the benchmark of the S&P 500 index? The Vanguard 500 Index Fund Admiral shares has underperformed the benchmark since it has to account for fees while the S&P 500 benchmark does not DA The Vanguard 500 Index Fund Admiral Shares consistently has average annual returns over 10%, while the S&P 500 benchmark has average annual returns belco E B Over every time frame (1, 3, 5, and 10 years), the Vanguard 500 Index Fund Admiral Shares has outperformed its benchmark. Since the Vanguard 500 Index Fund Admiral Shares mirror the S&P 500, the performance is always exactly the same. D