can somoke calculate a, b & c?

Suppose the market portholio is equally likely to increase by 21% or decrease by 17%. a. Calculate the beta of a firm that goes up on average by 27% when the market goes up and goes down by 18% 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 20% when the market goes up. c. Calculate the beta of a firm that is expected to go up 4% independently of the market