ATZ Corporation produces a popular brand of vacuum cleaners that is backed by a five-year warranty. The following data is given:
Sales revenue $500,000
Raw materials inspections 4,800
Scrap 3,100
Returns resulting from defects 7,000
Employee quality training 1,200
Regular maintenance for factory equipment 8,500
Estimate of lost sales due to quality problems 10,000
Cost of goods sold 350,000
Determine the total quality costs for ATZ Corporation.?
Calculate the prevention costs ratio in the corporate sales. ?
with step please?