The following data applies to Questions 6 to 9.

You are considering three investment options. The first is a stock fund, the second is a corporate bond fund, and the third is a risk-free asset that yields a sure rate of 3%. The expected returns and standard deviations of the risky assets are:

Expected return (%) Standard Deviation (%)

Stock fund (S) 15 32

Bond fund (B) 9 23

The correlation between the fund returns is 0.30.

What is the portfolio weight for the stock fund in the optimal risky portfolio?

Your answer should be in decimal values and accurate to the hundredth (NOT in percentage points).