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).) March April Prevention % % Appraisal % % Internal failure % % External failure % % Required A < Prev 2 of 8 Required B Next >