please answer both!

Conceptual Questions-2 (10 points) Aimee is considering investing in two risky portfolios ABC and XYZ. She wants to choose one risky portfolio (either ABC or XYZ) for investment purposes. A. If she decides to construct a complete portfolio by choosing one risky portfolio and a risk -free asset, what will determine the risky portfolio choice for Aimee's investment? (4 points) a. Reward-to-variability ratio (Sharpe Ratio) b. Correlation between ABC and XYZ. c. Risk tolerance level of investors B. Once she has selected the risky portfolio, what factor / characteristic will explain her allocation of wealth between the risky portfolio and risk-free asset in the complete portfolio? Why? [Hint: Use a graph to reflect on what you will explain in words] (6 points) Conceptual Questions-2 (10 points) Aimee is considering investing in two risky portfolios ABC and XYZ. She wants to choose one risky portfolio (either ABC or XYZ) for investment purposes. A. If she decides to construct a complete portfolio by choosing one risky portfolio and a risk -free asset, what will determine the risky portfolio choice for Aimee's investment? (4 points) a. Reward-to-variability ratio (Sharpe Ratio) b. Correlation between ABC and XYZ. c. Risk tolerance level of investors B. Once she has selected the risky portfolio, what factor / characteristic will explain her allocation of wealth between the risky portfolio and risk-free asset in the complete portfolio? Why? [Hint: Use a graph to reflect on what you will explain in words] (6 points)