Quantitative Problem: You are holding a portfolio with the following investments and betas: Stock A B C D Total investment Dollar investment $250,000 150,000 500,000 100,000 $1,000,000 Beta 1.25 1.7 0.75 -0.35 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. %