Question 12. Consider the single index model. You are a mean-variance optimizer with coefficient of risk aversion equal to 3. There are two risky assets A and B and a risk-free asset that you can invest in. No other assets are available to invest in i.e., you cannot invest directly in the market index). Asset A has QA = 2%, BA=2, and variance 30%. Asset B has a = -1%, BR=1, and variance 10%. The expected return of the market index is 8%. The variance of the market index is 25%. The risk-free rate is 2%. Recall the following formula from modern portfolio theory: w" --2-(Er-r1) Using the above formula, what is the optimal fraction of wealth to hold in each asset? Question 12. Consider the single index model. You are a mean-variance optimizer with coefficient of risk aversion equal to 3. There are two risky assets A and B and a risk-free asset that you can invest in. No other assets are available to invest in i.e., you cannot invest directly in the market index). Asset A has QA = 2%, BA=2, and variance 30%. Asset B has a = -1%, BR=1, and variance 10%. The expected return of the market index is 8%. The variance of the market index is 25%. The risk-free rate is 2%. Recall the following formula from modern portfolio theory: w" --2-(Er-r1) Using the above formula, what is the optimal fraction of wealth to hold in each asset