If you would like to select an active mutual fund to combine with a broadly diversified passive index fund to form your optimal risky portfolio, you should select the funds by ________; if you would like to select many actively managed mutual funds but no passive index funds to form your optimal portfolio, you would select the funds by ________. Group of answer choices Sharpe ratio; information ratio information ratio; Sharpe ratio Treynor ratio; Sharpe ratio information ratio; Treynor ratio