Warranty claims $170,000 Product liability lawsuits 200,000 Rework costs 600,000 Quality training 355,000 Inspection of incoming material 900,000 Statistical process control 650,000 Waste 390,000 Product quality audits 485,000 Total sales $50,000,000 How do I: Compute the total prevention costs. Compute the total appraisal costs. Compute the total internal failure costs. Compute the total external failure costs.