P8-23. Personal Finance Problem. Portfolio Betas. Rose Berry is attempting to evaluate twopossible portfolios, which consist of the same five assets held indifferent proportions. She is particularly interested in using betato compare the risks of the portfolios, so she has gathered thedata shown in the following table. PortfolioWeights A. Calculate the betas for portfolios A and B. B. Compare the risks of these portfolios to the market as wellas to each other. Which portfolio is more risky? . . .