Stock A has a standard deviation of 15 percent per year and stock B has a standard deviation of 21 percent per year. The correlation between stock A and stock B is .32. You have a portfolio of these two stocks wherein stock B has a portfolio weight of 70 percent. What is your portfolio standard deviation?

		15.87 percent
		16.69 percent
		17.91 percent
		18.45 percent
		19.03 percent