Quantitative Problem: You are holding a portfolio with the following investments and betas: Stock Dollar investment Beta A $250,000 1.20 B 150,000 1.60 C 300,000 0.70 D 300,000 -0.35 Total investment $1,000,000 The market's required return is 10% and the risk-free rate is 3%. What is the portfolio's required return? Do not round intermediate calculations. Round your answer to three decimal places. %