Rafael is an analyst at a wealth management firm. One of his clients holds a $10,000 portfolio that consists of four stocks. The investment allocation in the portfolio along with the contribution of risk from each stock is given in the following table: Rafael calculated the portfolio's beta as 0.845 and the portfolio's required return as 8.6475%. Rafael thinks it will be a good idea to reallocate the funds in his client's portfolio. He recommends replacing Atteric Inc.'s shares with the same amount in additional shares of Baque Co. The risk-free rate is 4%, and the market risk premium is 5.50%. According to Rafael's recommendation, assuming that the market is in equilibrium, how much will the portfolio's required return change? (Note: Do not round your intermediate calculations.) 0.3850 percentage points 0.4774 percentage points 0.3003 percentage points 0.4428 percentage points