Please answer quickly

You have a portfolio with a standard deviation of 28% and an expected return 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 existing portfolio, which one should you add? Expected Standard Correlation with Return Deviation Your Portfolio's Returns Stock A 12% 25% 0.2 Stock B 12% 19% 0.5 Standard deviation of the portfolio with stock Ais % (Round to two decimal places.)