Suppose the market portfolio is equally likely to increase by 30 % or decrease by 10 %. A. Calculate the beta of a firm that goes up on average by 43 % when the market goes up and goes down by 17 % when the market goes down. B. Calculate the beta of a firm that goes up on average by 18 % when the market goes down and goes down by 22 % when the market goes up. C. Calculate the beta of a firm that is expected to go up 4% independently of the market.