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5. Portfolio risk and return Aa Aa E Emma holds a $5,000 portfolio that consists of four stocks. Her investment in each stock, as well as each stock's beta, is listed in the following table: Beta Standard Deviation 9.00% 0.80 Stock Perpetualcold Refrigeration Co. (PRC) Tobotics Inc. (TI) Water and Power Co. (WPC) Mainway Toys Co. (MTC) Investment $1,750 $1,000 $750 $1,500 11.00% 1.50 1.10 0.30 16.00% 22.50% Suppose all stocks in Emma's portfolio were equally weighted. Which of these stocks would contribute the least market risk to the portfolio? Suppose all stocks in the portfolio were equally weighted. Which of these stocks would have the least amount of standalone risk? Water and Power Co. O Mainway Toys Co. Tobotics Inc. O Perpetualcold Refrigeration Co. Water and Power Co. Tobotics Inc. Mainway Toys Co. Perpetualcold Refrigeration Co. If the risk-free rate is 4% and the market risk premium is 6%, what is Emma's portfolio's beta and required return? Fill in the following table: Beta Required Return Emma's portfolio |