Assume we are living in a world where CAPM is valid. If market volatility is equal to 20% and the market return is equal to 6.5%. Stock XYZ has a total volatility equal to 20%, a firm specific volatility equal to 5%. What should be XYZ return if the risk free rate is equal to 1%? O a 5.89% Ob 6.15% O c. 6.32% Od 6.57% O e None of the given choices is correct