Huston Company,a Manufacturer of Office Supplies,provides the Following Financial Information

Multiple Choice

Huston Company,a manufacturer of office supplies,provides the following financial information: $$\begin{array} { | l | r | r | } \hline & \text { Pen Division } & \text { Pencil Division } \\\hline \text { Operating income } & \$ 90,000 & \$ 30,000 \\\hline \text { Net sales } & \$ 450,000 & \$ 150,000 \\\hline \text { Total assets at Jan. 1 } & \$ 580,000 & \$ 255,000 \\\hline \text { Total assets at Dec. 31 } & \$ 600,000 & \$ 235,000 \\\hline\end{array}$$ Calculate the return on investment for the Pen Division.(Round your answer to two decimal places.)

A) 15.25%
B) 12.24%
C) 15.52%
D) 15.00%