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www Prevention costs Appraisal costs Internal failure costs External failure costs Last Year $ 371,300 $ 471,700 $ 726,800 $ 1,155,000 This Year 5 656,500 $ 599,500 $ 470,000 $ 646,000 Required: 1. Calculate the total cost of quality last year and this year Last Year This Year Total cost of quality 2. For last year, calculate the cost in each of the four categories as a percent of the total cost of quality. (Round your percentage answers to 1 decimal place.) Last Year Prevention costs Appraisal costs Internal failure costs External failure costs Total percent % % % % A 3. For this year, calculate the cost in each of the four categories as a percent of the total cost of quality (Round your percentage answers to 1 decimal place.) This Year Ook % Prevention costs Appraisal costs Internal failure conts External failure costs Total percent rences % 4a. Calculate the change in total cost of quality over the two-year period Prevention and appraisal activities Internal and external failure costs The total cost of quality