Cheyenne 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 Investment $1,750 $1,000 1.00 Stock Perpetualcold Refrigeration Co. (PRC) Kulatsu Motors Co. (KMC) Western Gas & Electric Co. (WGC) Mainway Toys Co. (MTC) 18.00% 1.90 12.00% $750 1.20 20.00% $1,500 0.60 28.50% Suppose all stocks in Cheyenne's portfolio were equally weighted. Which of these stocks would contribute the least market risk to the portfolio? Western Gas & Electric Co. Mainway Toys Co. Perpetualcold Refrigeration Co. Okulatsu Motors Co. Suppose all stocks in the portfolio were equally weighted. Which of these stocks would have the least amount of stand-alone risk? O Perpetualcold Refrigeration Co. O kulatsu Motors Co. Western Gas & Electric Co. Mainway Toys Co. If the risk-free rate is 7% and the market risk premium is 8.5%, what is Cheyenne's portfolio's beta and required return? Fill in the following table: Beta Required Return Cheyenne's portfolio