Beta of a portfolio. The beta of four stockslong dash—?P, ?Q, R, and Slong dash—are 0.62?, 0.74?, 1.08, and 1.48?, respectively. What is the beta of a portfolio with the following weights in each? asset? Weight in Stock P Weight in Stock Q Weight in Stock R Weight in Stock S Portfolio 1 ?25% ?25% ?25% ?25% Portfolio 2 ?30% ?40% ?20% ?10% Portfolio 3 ?10% ?20% ?40% ?30%