Required: 1. Provide a formula for the Total Risk (2 points) 2. Explain: As the number of stocks in a portfolio increases, what happens to the portfolio's systematic risks? (4 points) 3. Calculate: What is the expected rate of return on a stock that has a beta of 1.4 if the market risk premium is 9% and the risk-free rate is 4%? (2 points) 4. Calculate: The expected rate of return is 2.5 times the 12% expected rate of return from the rket. What is the belt if the risk-free rate is 6%? (2 points) 5. Calculate: A portfolio of options had a return of 22% with a standard deviation of 20%. If the risk-free rate is 7.5%, what is the Sharpe ratio for the portfolio? (2 points) Edit Insert Format Tools Table 12pt BI U AT : O P logo