Elle 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: Suppose all stocks in Elle's portfolio were equally weighted. Which of these stocks would contribute the least market risk to the portfolio? Zaxatti Enterprises Perpetualcold Refrigeration Co. Fitcom Corp. Three Waters Co. Zoxatti Enterprises Three Waters Co. Perpetualcold Refrigeration Co. Fitcom Corp. If the risk-free rate is 4% and the market risk premium is 5.5%, what is Elle's portfolio's beta and required return? fill in the following table