Suppose the market portfolio's excess return tends to increase by 30% when the economy is strong and decline by 20% when the economy is weak. A type 5 firm has excess returns that increase by 45% when the economy is strong and decrease by 30% when the economy is weak. A type | firm will also have excess returns of either 45% or 30%, but the type | firm's excess returns will depend only upon firmspecific events and will be completely independent of the state of the economy. a) What is the Beta for a type I firm? b) What is the Beta for a type S firm? c) If risk free rate is 4%, what the expected return for type S firm? Use CAPM equation to solve for the