You have a portfolio with a standard deviation of 21% 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 20% of your money in the new stock and 80% of your money in your existing portfolio, which one should you add?

	Expected Return	Standard Deviation	Correlation with Your Portfolio's Returns
Stock A	12%	25%	0.2
Stock B	12%	17%	0.5

What is the Standard deviation of the portfolio with stock A?

What is the Standard deviation of the portfolio with stock B?