6. Machine A and Machine B are being considered for the production of a part of a product. The impor- tant differences between the machines are: Machine A Machine B Production rate Hours available for production Rejection rate 100 parts/hr 130 parts/hr 6 hrs/day 10 % 7 hrs/day 3% The material cost is $6.00 per part, the operator cost is $15.00 per hour, and the variable overhead cost is $5.00 per hour. All defect-free parts produced can be sold for $12 each, and the rejected parts have no value. • Assume that the daily demand for this part is large enough that all defect-free parts can be sold. Which machine should be selected? • What should the rejection rate be for Machine B to be as profitable as Machine A?

ENGR.ECONOMIC ANALYSIS
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Author:NEWNAN
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Chapter1: Making Economics Decisions
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6. Machine A and Machine B are being considered for the production of a part of a product. The impor-
tant differences between the machines are:
Machine A Machine B
100 parts/hr 130 parts/hr
Production rate
Hours available for production
Rejection rate
7 hrs/day
6 hrs/day
3 %
10 %
The material cost is $6.00 per part, the operator cost is $15.00 per hour, and the variable overhead
cost is $5.00 per hour. All defect-free parts produced can be sold for $12 each, and the rejected parts
have no value.
Assume that the daily demand for this part is large enough that all defect-free parts can be sold.
Which machine should be selected?
• What should the rejection rate be for Machine B to be as profitable as Machine A?
Transcribed Image Text:6. Machine A and Machine B are being considered for the production of a part of a product. The impor- tant differences between the machines are: Machine A Machine B 100 parts/hr 130 parts/hr Production rate Hours available for production Rejection rate 7 hrs/day 6 hrs/day 3 % 10 % The material cost is $6.00 per part, the operator cost is $15.00 per hour, and the variable overhead cost is $5.00 per hour. All defect-free parts produced can be sold for $12 each, and the rejected parts have no value. Assume that the daily demand for this part is large enough that all defect-free parts can be sold. Which machine should be selected? • What should the rejection rate be for Machine B to be as profitable as Machine A?
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