Aaker Company, Which Has Only One Product, Has Provided the Following

Aaker Company, which has only one product, has provided the following data concerning its most recent month of operations:
$\begin{array} { | l | r | } \hline \text { Selling price } & \$ 99 \\\hline \text { Units in beginning inventory } & 0 \\\hline \text { Units produced } & 6,300 \\\hline \text { Units sold } & 6,000 \\\hline \text { Units in ending inventory } & 300 \\\hline \text { Variable costs per unit: } & \\\hline \text { Direct materials } & \$ 12 \\\hline \text { Direct labour } & \$ 42 \\\hline \text { Variable manufacturing overhead } & \$ 6 \\\hline \text { Variable selling and administrative } & \$ 6 \\\hline \text { Fixed costs: } & \\\hline \text { Fixed manufacturing overhead } & \$ 170,100 \\\hline \text { Fixed selling and administrative } & \$ 24,000 \\\hline\end{array}$



-What is the operating income (loss) for the month under variable costing?

A) ($14,100) .
B) $3,900.
C) $8,100.
D) $12,000.