is an analyst at a wealth management firm. One of his clients holds a $5,000 portfolio that consists of four shocks. The investment allocation in the portfolio along with the contribution of risk from each stock is given in the following table: Gregory calculated the portfolio's beta as o.860 and the portfolio's expected return as 8.73%. Gregory 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 Gregory's recommendation, assuming that the market is in equilibrium, how much will the portfolio's required return change? 0.24 percentage points 0.19 percentage points 0.15 percentage points 0.22 percentage points