Beta of a portfolio. The beta of four stocksG, H, I, and are 0.43, 0.79, 1.21, and 1.68, respectively. What is the beta of a portfolio with the following weights in each asset: ? What is the beta of portfolio 1? und to two decimal places.) Portfolio 1 Portfolio 2 Portfolio 3 Weight in Stock G 25% 30% 10% Weight in Stock H 25% 40% 20% Weight in Stock I 25% 20% 40% Weight in Stock J 25% 10% 30% U s