Over the past 15 years, asset manager U has averaged a 7.3% risk-adjusted annual rate of return with a standard deviation of 4.44%. Over the same period, asset manager L has averaged an 8.1% risk-adjusted annual rate of return with a standard deviation of 6.94%. In terms of the Sharpe ratio, the performance of asset manager L has been better than the performance of asset manager U, because of the higher rate of return. Is that last statement true or false?