Suppose the market portfolio is equally likely to increase by 40% or decrease by 4%. a. Calculate the beta of a firm that goes up on average by 19% when the market goes up and goes down by 5% when the market goes down. b. Calculate the beta of a firm that goes up on average by 8% when the market goes down and goes down by 10% when the market goes up. c. Calculate the beta of a firm that is expected to go up 4% independently of the market