2. Portfolio Analysis (10 points) You are presently invested in the Luther Fund, a broad based mutual fund that invests in stocks and other securities. The Luther Fund has an expected return of 14% and a volatility of 20%. Risk-free Treasury bills are currently offering returns of 4%. You are considering adding a precious metals fund to your current portfolio. The metals fund has an expected return of 10%, a volatility of 30%, and a correlation of -20 with the Luther Fund. Will adding the precious metals fund improve your portfolio