As an investor, you decide to hold a portfolio with 20% invested in a European green bond fund and 80% in a European renewable energy equity fund. The expected return is 3.30% for the bond fund and 11.50% for the equity fund. The expected standard deviation is 6.9% for the bond fund and 21.3% for the equity fund. What will be the portfolios expected return and risk given that the covariance between the bond and equity fund is expected to be -0.03? (express the portfolio risk as its standard deviation). Compare the risk-adjusted return of the portfolio and of the individual funds, and comment on the reason for the differences.