Assume that the cost data available for a certain period is limited to the following: $ 20,000 - final test 350,000 - field warranty costs 170,000 - reinspection and retest 45,000 - inventory reduction 4,000 - vendor quality surveys 30,000 - rework The total of the quality cost is: $574,000 $576,000 O $619.000 $621,000