Stock a Has a Standard Deviation of 15 Percent Per

Multiple Choice

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 0.30.You have a portfolio of these two stocks wherein stock B has a portfolio weight of 60 percent.What is your portfolio standard deviation?

A) 14.87 percent
B) 15.50 percent
C) 16.91 percent
D) 17.45 percent
E) 18.03 percent