9(10) Get the expected return on the carp business (CAPM), the market risk premium, the market Sharp ratio, the carp business beta( ) and SML, respectively. However, the risk-free interest rate ( ) is 2%, and the return on the carp business (r) and market number (rm ) are as follows in each situation.

	state	probability	rate of return
r	boom recession	0.5 0.5	40% 20%
rm	boom recession	0.5 0.5	20% 10%