please find the standard deviation of the portfolio with stock A then aslo Stock B

You have a portfolio with a standard deviation of 25% and an expected retum of 20%. You are considering adding one of the two stocks in the following table: If after adding the stock you wat have 25% of your money in the new stock and 75% of your money in your existing portfolio, which one should you add? Standard deviation of the portfolio with stock A is \%. (Round to two decimai places.) Data table (Click on the following icon o in order to copy its contents into a spreadsheet)