3. Suppose you are a US investor looking for international diversification opportunities. Your investment advisor offers you an international equity index that expects annual returns of 18%, but the volatility of these returns is 48%. This international index comprises other developed countries as well as some emerging economies. The expected returns, volatility, and correlations are provided below: Risk-Free Rate 3% 0% US equity Index returns (annual) 8% 18% International equity Index returns (annual) 18% 48% Exp. Returns st.dev (volatility) correlation US equity index Correlation International equity index 0 1 0.4 0 0.4 1 a. Calculate the expected portfolio return, standard deviation, and Sharpe ratios assuming the weights for the US and International equity indexes are as follows (10 points): US equity International index equity index returns returns (Weight) (Weight) 0 100% 10% 90% 20% 80% slope of CAL (Sharpe ratio) Exp. Ret port. St.dy 1 2 3