i need help

You have a portfolio with a standard deviation of 29% and an expected return of 17% You are considering adding one of the two stochs in the following table. If ather adding the stoch 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? Standard deviation of the portfolio with stock Ais . \%o (Round to two decimal places) Standard deviation of the portfollo with stock B is (F. (Round to two decimal places) Which stock should you add and wiw? (Select the best choice below.) A. Add A because the portfolia is less risky when A is added B. Add B because the portfolio is less risky when B is added C. Add either one because both portlolios are equally risky