a) As an investor, you decide to hold a portfolio with 60% invested in a European green bond fund and 40% in a European renewable energy equity fund. The expected return is 2.50% for the bond fund and 9.25% for the equity fund. The expected standard deviation is 7.50% for the bond fund and 24.50% for the equity fund. What will be the portfolio's expected return and risk given that the correlation between the bond and equity fund is expected to be 0.10 ? (express the portfolio risk as its standard deviation) b) Compare the risk-adjusted return of the portfolio and of the individual funds, and comment on the reason for the differences. c) What other factors apart from risk and return objectives are taken into account in an investor's Investment Policy Statement (IPS) and how will these affect the construction of their investment portfolio