4. Suppose over the past year, you had the following assets in your portfolio: Portfolio ABCD MktCap at the Beginning $3,000 $14,000 $7,500 $25,200 Return during the Year 11.2% 10.0% 23.5% -6.1% What was the overall return on your portfolio during the year? (3 pts) 5. Consider Asset A, which has a beta of 1.45. In addition, the risk free rate is 4% and the market risk premium is 8.5%. What is the expected return according to the Capital Asset Pricing Model? (3 pts) 6. Consider the following portfolios: Portfolio A B C Expected Return Standard Deviation 11.4% 28.1% 4.2% 9.1% 22.6% 47.1% 19.0% 31.2% In addition, the risk-free rate is 2%. According to the Sharpe Ratio, which of the above portfolios is most optimal? (4 pts)