Selah Manufacturing Makes a Quality-Improvement Device for the Aeronautical Industry

question 119

Multiple Choice

Selah Manufacturing makes a quality-improvement device for the aeronautical 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:
$\begin{array} { | l | r | } \hline & \text { Number of Units } \\\hline \text { Beginning work in process inventory } & 16,000 \\\hline \text { Units started into production during May } & 100,000 \\\hline \text { Units completed during May } & 92,000 \\\hline \text { Ending work in process inventory } & 24,000 \\\hline\end{array}$ 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:
$\begin{array} { |l | r | r | r | } \hline & \text { Materials } & \text { Conversion } & \text { Total } \\\hline \begin{array} { l } \text { Beginning work-in- } \\\text { process inventory }\end{array} & \$ 54,560 & \$ 35,560 & \$ 90,120 \\\hline \begin{array} { l } \text { Costs incurred } \\\text { during May }\end{array} & \$ 468,000 & \$ 574,040 & \$ 1,042,040 \\\hline \text { Total } & \$ 522,560 & \$ 609,600 & \$ 1,132,160 \\\hline\end{array}$
-What was the unit cost for conversion included in the beginning work-in-process inventory,rounded to the nearest cent?

• A) $2.22.
• B) $2.78.
• C) $6.00.
• D) $11.11.

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Definitions:

Lean Manufacturing

A structured approach aimed at reducing waste in a production system while maintaining output levels.

Manufacturing Cells

A grouping of processes where employees are cross-trained to perform more than one function.

Autonomous Production Lines

Manufacturing systems that operate with minimal human intervention, using robotic and AI technology to produce goods.

Conversion Cost

The sum of direct labor and manufacturing overhead costs, representing the expense to convert raw materials into finished products.