Given the following information, choose the portfolio that is the most optimal given the risk free rate is 29. Indicate your response by entering the % invested in A for the appropriate portfolio. % invested in a Portfolio Return Std of Portfolio 8.33% 100.00% 90.00% 8.00% 8.20% 8.40% 7.40% 6.53% 30.00% 70.00% 8.60% 3.74% 60.00% 8.80% 9.00% 5.07% 4.58% 50.00% 40.00% 9.20% 4.31% 4.33% 30.00% 9.40% 20.00 9.60% 4.619 10.00% 9.80 5.139 5.515 0.00 10.00