The four general categories of quality costs are internal failure, external failure, prevention, and appraisal.
What is the quality cost?
Quality cost is a methodology that allows an organization to identify how much of its resources are spent on activities that prevent poor quality.
It assesses the quality of the firm's products or services, and result from internal and external failures.
Thus, the four general categories of quality costs are internal failure, external failure, prevention, and appraisal.
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