Quantitative Problem: You are holding a portfolio with the following investments and betas: Stock Dollar investment Beta A 1.25 B 1.50 C $250,000 100,000 400,000 250,000 $1,000,000 0.70 D -0.25 Total investment The market's required return is 10% and the risk-free rate is 5%. What is the portfolio's required return? Do not round intermediate calculations. Round your answer to three decimal places. %