Last Year This Year Prevention costs $ 332,000 $ 682,500 Appraisal costs $ 458,400 $ 572,300 Internal failure costs $ External failure costs 726,800 $1,177,000 $ 465,000 $ 686,800 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.) Prevention costs Appraisal costs Internal failure costs External failure costs Total percent Last Year 96 96 96 96 0.0 % 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.) Prevention costs Appraisal costs Internal failure costs External failure costs Total percent This Year 96 96 96 96 0.0 % 40. 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