Cost of Quality:
Cost of quality is a term that is used to quantify the total cost of failure, appraisal, and prevention costs associated with the production of software.
The three categories of costs associated with producing quality products are:
1. Prevention Costs: Money required preventing errors and do the job right the first time.
2. Appraisal Costs: Money spent to review completed products against requirements. Appraisal includes cost of inspections, testing and reviews.
3. Failure Costs: All costs associated with defective products that have been delivered to the user or moved into production.
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