You are working as an investment adviser, and you have identified what you believe to be an optimal, well-diversified risky portfolio. It has an expected return of 9% and a standard deviation of 15%. Short-term government bonds are currently yielding 3%. A client visits you and says that she estimated that an ASX200 index fund has an expected return of 13% and a standard deviation of 30%. Additionally, she notes that as a small investor. she is unable to borrow money to leverage her investments. You agree with her on all points. Accordingly, she believes she should invest in an index fund instead of your risky portfolio. Is there any condition(s) under which could she be correct? If yes, explain how. If no, explain why not