The following represents the financial information for Domingo Corporation for two months. Sales revenue Costs Process inspection March $535,000 April $380,000 $ 1,800 $ 1,810 Scrap 1,760 1,980 Quality training 20,400 12,200 Warranty repairs 4,400 4,600 Product testing equipment 7,000 7,100 Customer complaints 2,700 3,300 Rework 18,000 20,000 Preventive maintenance 15,000 10,400 Materials inspection 7,000 5,200 Field testing 10,200 13,400 Required: a. Classify these items into Prevention, Appraisal, Internal failure, or External failure costs. b. Calculate the ratio of the prevention, appraisal, internal failure, and external failure costs to sales for March and April. Complete this question by entering your answers in the tabs below. Required A Required B Classify these items into Prevention, Appraisal, Internal failure, or External failure costs. Activity Process inspection Category Scrap Quality training Warranty repairs Product testing equipment Customer complaints Rework Preventive maintenance Materials inspection Field testing