Answer:
Following is the classification of the costs associated with each of these activities that is prevention cost, appraisal cost, internal failure cost, or external failure cost.
(a) Product testing - Appraisal Cost
(b) Product recall - External Failures
(c) Product design - Prevention cost
(d) Quality circle - Prevention cost
(e) Inspection of goods - Appraisal Cost
Explantion cost:
Appraisal costs are costs incurred to detect defects in the poduct produce. Prevention cost are cost incurred to prevent detects in the product produce.
Internal failure costs are costs incurred to remove defects found before the customer receives the product or service. External failure costs are costs incurred to remove defects found after the customer receives the product or service.