Inspection Quality engineering Depreciation of test equipment Rework labor Statistical process control 19 Below is the costs related to quality of conformance for Stone Company (in thousands) for 2018. $ 900 450 135 1,080 180 Cost of field servicing Supplies used in testing Systems development 1,260 450 900 Warranty repairs 4,680 Net cost of scrap 720 Product testing 1,080 Product recalls 2,880 Disposal of defective products 900 $ 15,615 What were the total appraisal costs in 2018? A. $ 1,530 B. $ 1,980 C. $ 1,665 D. $ 2,565 E. None of the above