COQ components included in numerator for COQ percentage?

COQ components included in numerator for COQ percentage?

• A. Only Prevention and Appraisal.
• B. Only Internal and External.
• C. Prevention, Appraisal, Internal Failure, External Failure.
• D. Only External Failure.

Answer: (C)

In cost of quality calculations, all four kinds of quality costs are summed to form the numerator of the COQ percentage: Prevention costs, Appraisal costs, Internal Failure costs, and External Failure costs. This total represents the entire cost of ensuring quality, from prevention and detection activities through to costs caused by defects both before and after delivery. The other options leave out one or more of these categories, which is why they don’t capture the full cost of quality. For example, including only Prevention and Appraisal misses the costs of defects that occur internally or externally, while including only External Failure misses the proactive and detection costs.

In cost of quality calculations, all four kinds of quality costs are summed to form the numerator of the COQ percentage: Prevention costs, Appraisal costs, Internal Failure costs, and External Failure costs. This total represents the entire cost of ensuring quality, from prevention and detection activities through to costs caused by defects both before and after delivery.

The other options leave out one or more of these categories, which is why they don’t capture the full cost of quality. For example, including only Prevention and Appraisal misses the costs of defects that occur internally or externally, while including only External Failure misses the proactive and detection costs.