Quality Management Systems Label each description of cost as the type of quality cost that most closely aligns to it. 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 Prevention Costs Appraisal Costs Internal Failure Costs External Failure Costs