Assume that you have calculated the following costs of quality:
Average cost of detection: €350
Average cost of internal failure: €250
Average cost of external failure: €4,500
The average costs of detection and internal failure are calculated using the number of defects found prior to release, while the average cost of external failure is calculated using the number of defects found after release.
What is the saving in cost of quality for each defect found in testing?
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