Jawson Company Uses the Weighted-Average Method in Its Process Costing

Jawson Company uses the weighted-average method in its process costing system.Operating data for the Painting Department for the month of April appear below:
$$\begin{array} { | l | r | r | } \hline & \text { Units } & \text { Percentage complete } \\\hline \text { Beginning work in process } & 6,300 & 10 \% \\\hline \text { inventory } & & \\\hline \text { Transferred in from the } & 65,600 & \\\text { prior department during } \\\text { April }\\\hline\text { Ending work in process } & 4,600 & 70 \% \\\text { inventory }\\\hline\end{array}$$
What were the equivalent units of production for conversion costs in the Painting Department for April?

A) 67,300 units.
B) 68,820 units.
C) 70,520 units.
D) 63,900 units.