Reference: 04-09
Kimbeth Manufacturing Makes Dust Density Sensors (DDS), a Safety

Reference: 04-09
Kimbeth Manufacturing makes Dust Density Sensors (DDS) , a safety device for the mining industry. The company uses a process costing system and has only a single processing department. The following information pertains to operations for the month of May: $\begin{array}{|l|l|}\hline & \text { Units } \\\hline \text { Beginning work in process inventory } & 16,000 \\\hline \text { Started into production during May } & 100,000 \\\hline \text { Completed during May } & 92,000 \\\hline \text { Ending work in process inventory } & 24,000 \\\hline\end{array}$
The beginning work in process inventory was $60 \%$ complete with respect to materials and $20 \%$ complete with respect to conversion costs. The ending work in process inventory was $90 \%$ complete with respect to materials and $40 \%$ complete with respect to conversion costs. The costs were as follows:
$\begin{array}{|l|l|l|}\hline & \text { Conversion } & \text { Materials } \\\hline \text { Beginning work in process inventory } & \$ 54,560 & \$ 35,560 \\\hline \text { Costs incurred during May } & \$ 468,000 & \$ 574,040 \\\hline\end{array}$
-Using the FIFO method, the equivalent unit cost of materials is

A) $6.40.
B) $5.40.
C) $4.76.
D) $5.52.