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A production machine operates in a semi-automatic cycle but a worker must attend the machine 100% of the time to load parts. Unloading is
A production machine operates in a semi-automatic cycle but a worker must attend the machine 100% of the time to load parts. Unloading is accomplished automatically. The worker's cost rate = 25 SR/hr and the equipment cost rate=52.00 SR/hr. The applicable overhead cost is 41%. The material cost is 5.75 SR/pc. The job runs several months so the effect of setup can be ignored. Each cycle, the actual process time = 78 sec, and time to load the part = 35 sec. Automatic unloading takes 6 sec. A proposal has been made to install an automatic parts-loading device on the machine. The device would cost 127,500 SR and would reduce the part loading time to 8 sec each cycle. Its expected life is 3 years. The device would also relieve the worker from full-time attention to the machine. Instead, the worker could assist two machines. The operation runs 245 days per year, 16 hours per day, machine availability = 94%, and scrap rate= 4%. Determine the cost per part produced: (a) without the parts loading device; (b) with the parts loading device installed. (c) How many days of production are required to pay for the automatic loading device? In other words find the breakeven point.
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