Expected return of the market portfolio (M) is 10.5% and expected return of stock A is 7.3%. The probability distributions of returns of stock A and the market portfolio M are as follows: State of the economy P (probability) Market Portfolio Stock A Growth 0.70 14% 8% 5% 8% Stagnation 0.20 -3% 1% recession 0.10 Calculate beta for stock A