The following represents the financial information for Domingo Corporation for two months. Sales revenue Costs March $520,000 April $430,000 Process inspection $ 1,650 $ 1,860 Scrap 1,880 2,000 Quality training 19,900 12,500 Warranty repairs 4,400 4,500 Product testing equipment 7,200 6,700 Customer complaints 3,000 3,200 Rework 16,000 17,500 Preventive maintenance 14,500 10,200 Materials inspection 6,400 4,600 Field testing 8,600 11,700 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 Calculate the ratio of the prevention, appraisal, internal failure, and external failure costs to sales for March and April. (Enter your answers as a percentage rounded to 1 decimal place (i.e., 32.1).) Prevention Appraisal Internal failure External failure March April do do do do % % % % % % % di di di