1. Consider the following three scenarios for the returns of four different stocks. As- sume that a portfolio is constructed by four stocks with weights w = 10%, W 20%, W3 = 30% and w = 40%. Find the expected return on the portfolio. Scenario W3 Probability K K K3 0.2 -5% -10% -20% 16% 18% 0% 20% 15% 30% 0.5 0.3 K 35% 5% -12%