135. Prior to installing a JIT system, Clarendon Company used machine hours to assign maintenance costs to its
three products of 6-inch, 8-inch, and 11-inch insulation. The maintenance costs totaled $400,000 per year. The
machine hours used by each product and the quantity produced of each product are as follows:
After installing JIT, three manufacturing cells were created and the cell workers were trained to perform maintenance. Maintenance costs for the
three cells still totaled $400,000; however, these costs are now traceable to each cell.
The maintenance cost per roll of 8-inch insulation before JIT is installed would be
136. Prior to installing a JIT system, Clarendon Company used machine hours to assign maintenance costs to its
three products of 6-inch, 8-inch, and 11-inch insulation. The maintenance costs totaled $400,000 per year. The
machine hours used by each product and the quantity produced of each product are as follows:
After installing JIT, three manufacturing cells were created and the cell workers were trained to perform maintenance. Maintenance costs for the
three cells still totaled $400,000; however, these costs are now traceable to each cell.
After installing JIT, the maintenance cost per roll of 6-inch insulation would be