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LO 10-8 Compare the costs of quality control to the costs of failing to control
quality.
• What Is the Cost of Quality?
o Quality is something the customer values and the firm expends resources on to ensure.
▪ The cost of quality system is a system that reflects the tension between incurring
costs to ensure quality and the costs incurred with quality failures.
• It is based on the idea that a tension exists between incurring costs to ensure that
products meet the company’s definition of quality and the cost incurred by not
meeting that definition.
o Conformance Costs
▪ Ensuring that quality conforms to the firm’s requirements involves two costs.
o Nonconformance Costs
▪ Two costs arise from the failure to control quality.
• Internal failure costs are incurred when nonconforming products and services
are detected before being delivered to customers.
• External failure costs are incurred when nonconforming products and services
are detected after being delivered to customers, including warranty repairs,
product liability, marketing costs, and lost sales.
o Exhibit 10.16 summarizes the four main classifications of quality costs.