Use the Following Information to Answer Questions 53-55 [Reference 11-53]
-What Is Bank A's Standard Deviation of Its

Use the following information to answer questions 53-55: $$\begin{array} { l l l l } & \text { National Banks } & \text { Bank A } & \text { Bank B } \\\text { Real Estate Loans } & 60 \text { percent } & 30 \text { percent } & 56 \text { percent } \\\text { Consumer Loans } & 20 \text { percent } & 30 \text { percent } & 28 \text { percent } \\\text { Commercial Loans } & 20 \text { percent } & 10 \text { percent } & 16 \text { percent }\end{array}$$ [Reference 11-53]
-What is Bank A's standard deviation of its asset allocation proportions relative to the national banks average? Use the formula in the textbook.

A) 7.23 percent.
B) 10.89 percent.
C) 18.71 percent.
D) 19.15 percent.
E) 27.36 percent. [Refer to: 11-58]