Cheyenne holds a 57,500 portfolio that consists of four strick. Her investment in each stock, as aell as each atock'r beta, as lsted in the follominy table: Suppovn all stock in Chevenne's portfolo were equally weighted. Which of these stocks would contribute the least market riak to the portiolo? Western Gas in Electric Co. Zoxatt Enterprses Maiciay Toys co. Perpetualicold tiefrigeration Co: Suppose all socks in the portfolio were equaliy weighted. Which of these stocks mould have the least amount of stand-alone mk? Mainway toys Co Westem oas f. Electric C0 Zaxotti Enterprises Perpetuakcold Refigeration Co Ma nway Toys Co Western Gas bi thectric co. Zaxatti Enterprises Perpetualcold Refrigeration Co If the nisk.free rate is 45 and the market risk premeun is 5.5%, what is chetyenie's portfolio's beta and required return? fill in the following table