The Axle Division of LaBate Company Makes and Sells Only

The Axle Division of LaBate Company makes and sells only one product. Annual data on the Axle Division's single product follow:
$\begin{array}{|l|r|}\hline \text { Unit Selling Price } & \$ 50 \\\hline \text { Unit Variable Cost } & \$ 30 \\\hline \text { Total Fixed Costs } & \$ 200,000 \\\hline \text { Average Operating Assets } & \$ 750,000 \\\hline \text { Minimum Required Rate of Return } & 12 \% \\\hline\end{array}$
-If Axle sells 16,000 units per year,what would be the return on investment?

A) 12%.
B) 15%.
C) 16%.
D) 18%.