Quality Management Systems Label each description of cost as the type of quality cost that most closely aligns to it. Prevention Costs Appraisal Costs Internal Failure Costs External Failure Costs 1 Warranty costs 2 Employee training 3 Service costs at customer sites 4 Product testing 5 Inspection of final products or services 6 Rejected products 7 Preventive maintenance on equipment 8 Sales returns due to product defects 9 Reworking products that didn't meet standards 10 Evaluation of the quality of suppliers 11 Inspection at various stages of production 12 Lost profits due to unhappy customers