Quantitative Problem: You are holding a portfolio with the following investments and betas: Stock Dollar investment Beta $250,000 1.35 100,000 1.70 500,000 0.80 150,000 $1,000,000 -0.20 D Total investment The market's required return is 9% and the risk-free rate is 4%. What is the portfolio's required return? Do not round intermediate calculations. Round your answer to three decimali places. %