You own a portfolio with the following expected returns given the various states of the economy. State of Economy Probability of State of Rate of Return if State Economy Occurs Boom 25% 15% Normal 70% 8% Recession 5% -10% The market rate of return is 11 percent, and the risk-free rate is 3 percent. What is the beta of the portfolio? O 0.73 O 0.50 O 0.35 O 1.03 O 0.54