Castaway Company Reports the Following First Year Production Cost Information

Castaway Company reports the following first year production cost information:
$$\begin{array} { | l | l | } \hline \text { Units produced } & 53,000 \text { units } \\\hline \text { Units sold } & 51,000 \text { units } \\\hline \text { Sales price } & \$ 150 \text { per unit } \\\hline \text { Direct labor } & \$ 8 \text { per unit } \\\hline \text { Direct materials } & \$ 4 \text { per unit } \\\hline \text { Variable overhead } & \$ 41 \text { per unit } \\\hline \text { Fixed overhead } & \$ 3,339,000 \text { in total } \\\hline \text { Operating expenses } & \$ 1,000,000 \text { in total } \\\hline\end{array}$$ a. Determine the net income using variable costing.
b. Determine the net income using absorption costing.