The Income Statement for Thompson Manufacturing Company Is as Follows

The income statement for Thompson Manufacturing Company is as follows: $\begin{array}{lr}\text { Sales }(10,000 \text { units) } & \$ 150,000 \\\text { Variable expenses } & 102,000 \\ \text { Contribution margin } & \$ 48,000 \\\text { Fixed expenses } & 36,000 \\\text { Operating income } & \$ 12,000\end{array}$ What is the contribution margin per unit?

A) $1.20
B) $4.80
C) $7.20
D) $120,000.00