A pension fund manager is considering three mutual funds. The first is a stock fund, the second is a long-term bond fund, and the third is a money market fund that provides a safe return of 4%. The characteristics of the risky funds are as follows: Expected Return Standard deviation Stock fund (S) 345 Bond fund (8) 194 10 18 The correlation between the fund returns is 0.11 You require that your portfolio yield an expected return of 12%, and that it be efficient, that is on the steepest feasible CAL a. What is the standard deviation of your portfolio? (Round your answer to 2 decimal places.) Standard deviation b. What is the proportion invested in the money market fund and each of the two risky funds? (Round your answers to 2 decimal places.) Proportion Invested % Money market fund Stocks Bonds %