Eile holds a $5,000 portfolio that consists of four stocks. Her investment in each stock, as well as each stock's beta, is ilsted in the foliowing table: Suppose all stocks in Elle's portfolio were equally weighted. Which of these stocks would contribute the least market risk to the portfolio? Perpetualcold Pefrigeration Co. Mainway Toys Co. Tobotics ins. Water and power Co. Suppose all stocks in the portfolio were equally weighted. Which of these stocks would have the least amount of stand-alone risk? Mainway Toys Co. Water and Power Co. Tobotics inc: Perpetualcold Hefngeration Co. If the risk-free rate is 7% and the market risk premlum is 8.5%, what is elle's portfolio's beta and required return? fill in the following table