A pension fund manager is considering three mutual funds. The first is a stock fund, the second is a long-term government and corporate bond fund, and the third is a T-bill money market lund that yields a sure rate of 5.4%. The probability distributions of the risky funds are: Expected Return Standard Deviation Stock fund (5) Bond fund (0) The correlation between the fund returns is .0684 Suppose now that your portfolio must yield an expected return of 13% and be efficient, that is on the best feasible CAL. o. What is the standard deviation of your portfolio? (Do not round Intermediate calculations. Round your answer to 2 decimal places.) Standard deviation b-1. What is the proportion invested in the T-bill fund? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Proportion invested in the Tbillund