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Prior to Installing a JIT System, Reilly Company Used Machine

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Prior to installing a JIT system, Reilly Company used machine hours to assign maintenance costs to its three products of 4-cm, 6-cm, and 9-cm insulation. The maintenance costs totalled $420,000 per year. The machine hours used by each product and the quantity produced of each product are as follows:
Machine HoursQuantity Produced4 cm6,00015,000rolls6 cm10,00012,500rolls9 cm8,00011.200rolls\begin{array}{lcc} &\underline{\text {Machine Hours}}& \underline{\text {Quantity Produced}}\\4 \mathrm{~cm} & 6,000 & 15,000 \mathrm{rolls} \\6 \mathrm{~cm} & 10,000 & 12,500 \mathrm{rolls} \\9 \mathrm{~cm} & 8,000 & 11.200 \mathrm{rolls}\end{array} After installing JIT,three manufacturing cells were created and the cell workers were trained to perform maintenance.Maintenance costs for the three cells still totalled $420,000; however,these costs are now traceable to each cell.
 Cell 4 cm$110,000 Cell, 6 cm150,000 Cell 9 cm160,000\begin{array} { c r } \text { Cell } 4 \mathrm {~cm} & \$ 110,000 \\\text { Cell, } 6 \mathrm {~cm} & 150,000 \\\text { Cell } 9 \mathrm {~cm} & 160,000\end{array}
-Refer to the figure.What would be the maintenance cost per roll of 4-cm insulation before JIT is installed?


Definitions:

Coffee Machines

Devices designed for brewing coffee, which can vary widely in their functionality, size, and brewing capacity.

Employees

Individuals who work for a business or organization and receive compensation for their labor, often guided by a contract of employment.

Total Product Curve

A graphical representation showing how the total output of a firm changes as the amount of a single input changes, holding all other inputs constant.

Average Product

The output per unit of input, calculated by dividing total production by the number of units of input.

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