Quantitative Problem: You are holding a portfolio with the following investments and betas: Stock Dollar investment Beta A 1.15 B $200,000 100,000 300,000 400,000 1,000,000 1.6 0.7 D -0.3 Total investment The market's required return is 9% and the risk-free rate is 5%. What is the portfolio's required return? Round your answer to 3 decimal places. Do not round intermediate calculations. %