The Following Information Is Available for Department C for the Month

The following information is available for Department C for the month of June: $\begin{array}{lr}&\text { Units }& \text { Cost }\\\text { Work in process, June } 1 \text { (70\% complete) } & 10,000\\\text { Direct materials } && \$ 36,000 \\\text { Direct labor } && 18,000 \\\text { Manufacturing overhead } && 24.000\\ \text {Total work in process, June 1 }&&\$78,000\\ \text {Started in production during June }&40,000\\\text { Costs added: } & \\\text { Direct materials } && \$ 108,000 \\\text { Direct labor } && 48,000 \\\text { Manufacturing overhead } && 60,600\\\text { Total costs added during June }&&\$216,600\\\text { Work in process, June } 30 \text { (80\% complete }) &4,000\end{array}$
Materials are added at the beginning of the process. Round unit costs to two decimal places.
The cost of ending work in process using the weighted average method is

A) $23,760.
B) $21,312.
C) $16,992.
D) none of the above.