Given the following information, choose the portfolio that is the most optimal given the risk free rate is 2%. Indicate your response by entering the % invested in A for the appropriate portfolio.

% invested in A	Portfolio Return	Std of Portfolio
100.00%	8.00%	8.33%
90.00%	8.20%	7.40%
80.00%	8.40%	6.53%
70.00%	8.60%	5.74%
60.00%	8.80%	5.07%
50.00%	9.00%	4.58%
40.00%	9.20%	4.31%
30.00%	9.40%	4.33%
20.00%	9.60%	4.61%
10.00%	9.80%	5.13%
0.00%	10.00%	5.81%