please answer

You have a portolio with a standard deviation of 27% and an expected retum of 20%. You are considering adding one of the two stocks in the folowing table. It ather adding the stock you wit have 25\% of your money in the new stock and 75% of your money in your existing portlolio, which one should you add? Standard deviation of the portflio with slock A is 6. (Round to two decimal places.)