You are composing a two-stock portfolio consisting of 20 percent Stock A and 80 percent Stock B. Given the following information, find the standard deviation of this portfolio.

Company	Beta	Expected Return	Standard Deviation	Covariance
A	1.5	28%	50%	COVA,B = 0.06
B	2.2	12%	40%

Round to the nearset hundredth percent. Answer in the percent format. Do not include % sign in your answer (i.e. If your answer is 4.33%, type 4.33 without a % sign at the end.)