Security Expected Return Beta Standard Deviation of Returns A 2.3 0.55 B 8% 0.25 1.3 0.65 D 6.4% 0.40 0.30 Risk-free 0.0% Market Index 10% Consider a portfolio that contains security C and the risk-free asset. The portfolio weight for the risk-free security is -50%. What is the portfolio weight for security C (Answer in percentages to 2 decimal places. e.g. "10.23"? Your