Consider the regression equation: t;- re 80+ gib+ $0(e) + where: -= the average difference between the monthly return on stock i and the monthly risk-free rate b;= the beta of stock i ole) = a measure of the nonsystematic variance of the stock i If you estimated this regression equation and the CAPM was valid, you would expect the estimated coefficient, 82 to be Equal to the average monthly return on the market portfolio O Equal to the risk-free rate of return Equal to the average difference between the monthly return on the market portfolio and the monthly risk-free rate OI