Suppose you have an investment portfolio with fraction x invested in a market portfolio and (1-x) in a risk-free asset. Increasing fraction x invested in the market portfolio and consequently decreasing (1-x) invested in the risk-free asset shall (select any correct answer, if there are multiple correct answers) Select one or more: O decrease the expected return of the resulting portfolio increase the Sharpe ratio of the resulting portfolio increase the expected return of the resulting portfolio increase the risk of the resulting portfolio decrease the Sharpe ratio of the resulting portfolio U