Suppose the market portfolio is equally likely to increase by 38% or decrease by 9%.

a. Calculate the beta of a firm that goes up on average by 44% when the market goes up and goes down by 9% when the market goes down.

b. Calculate the beta of a firm that goes up on average by 16% when the market goes down and goes down by 12% when the market goes up.

c. Calculate the beta of a firm