The following table lists all costs of quality incurred by Sam's Surf Shop last year. Annual inspection $175,000 costs Annual cost of scrap $366,000 materials Annual rework cost $114,000 Annual cost of quality $536,000 training Annual warranty cost $1,706,000 Annual testing cost $540,000 What was Sam's internal failure cost for quality last year? 480,000 715,000 O 1,706,000 536,000