There is a 31.30% probability of an average economy and a 68.70% probability of an above average economy. You invest 29.30% of your money in Stock S and 70.70% of your money in Stock T. In an average economy the expected returns for Stock S and Stock T are 9.70% and 7.50%, respectively. In an above average economy the the expected returns for Stock S and T are 27.30% and 16.30%, respectively. What is the expected return for this two stock portfolio?