Nicholson Company Produces Plastic Cups in a One- Department Process

Nicholson Company produces plastic cups in a one- department process. The following information is available: $\begin{array}{lr}\text { Work-in-process inventory, beginning }&-0-\\\text { Units started } & 60,000 \\\text { Units completed and transferred out } & 48,000 \\\text { Work-in-process inventory, ending } & 12,000\end{array}$ The units still in process are 100% complete with respect to direct materials and 60% complete with respect to conversion costs. The equivalent units for conversion costs are:

A) 12,000
B) 36,000
C) 55,200
D) 60,000