Part A is correct, Please help with part B.

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 5%. The characteristics of the risky funds are as follows: Stock fund (S) Bond fund (B) Expected Return 17% 13 Standard Deviation 38% 18 The correlation between the fund returns is 0.12. 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 13.56% 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.) Money market fund Stocks Proportion Invested % % Bonds %