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 8%. The characteristics of the risky funds are as follows:

	Expected Return		Standard Deviation
Stock fund (S)		23	%			28	%
Bond fund (B)		15				17

The correlation between the fund returns is 0.12.

a-1. What are the investment proportions in the minimum-variance portfolio of the two risky funds? a-2. What are the expected value and standard deviation of the minimum-variance portfolio rate of return?