You have a portfolio with a standard deviation of 29% and an expected retum of 16%. You are considering adding one of the two stocks in the following table if after adding the stock you will have 30% of your money in the new stock and 70% of your money in your exsting portfollo, which one should you add? Standard deviation of the portfolio with stock A is So. (Round to two decimal places.) Standard deviation of the portlolio with stock 8 is 5 . (Round to two decimal places) Which stock should you add and why? (Select the best choice below) A. Add B because the portiolio is less risky when B is added. B. Add A because the portfollo is less risky when A is added