David Johnson is a portfolio manager at CFAL and has to estimate the values of two securities. The available information is shown in the table below Stock A Stock B Probability of the return Probability of the return Return Return 19% 15% 23% 10% 15% 60% 13% 60% 11% 25% 1295 30% a) Which the two stocks has the higher expected return? b) which stock is riskier? c) Which stock would you choose and why