5 pts You own a portfolio of four stocks: Q, R, S, and T. You invested 30 percent in Stock Q, 30 percent in Stock R, 10 percent in Stock S, and 30 percent in Stock T. The betas for these four stocks are .92, 1.25, 1.09, and 1.69, respectively. What is the portfolio beta? Do you think your portfolio is more risky, less risky, or equally risky compared to the market portfolio? O 1.27, more risky O 0.76, less risky O 1.27, less risky O 0.76, more risky