Below Is Selected Information from Chipset's Cost of Production Report

Below is selected information from Chipset's cost of production report:
$$\begin{array} { l r } \text { Cost per equivalent unit in process } & \$ 20 \\\text { Units completed } & 15,000 \\\text { Total costs in process } & \$ 333,000 \\\text { Equivalent units of materials in ending inventory } & 2,000 \\\text { Cost per equivalent unit of materials } & \$ 6\end{array}$$ The ending inventory of work-in-process is complete as to materials.
The cost of conversion in the ending inventory is:

A) $ 300,000
B) $ 333,000
C) $ 21,000
D) $ 12,000