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 Prevention costs 25.5 % Appraisal costs 23.7 % Internal failure costs 22.0 % External failure costs 28.8 % Total percent 100.0 % 4a. Calculate the change in total cost of quality over the two-year period. Prevention and appraisal activities Increased Internal and external failure costs Decreased The total cost of quality DecreasedWalton Company has measured its quality costs for the past two years. After the company gathers its quality cost data, it summarizes those costs using the four categories shown below: Last Year This Year Prevention costs $ 357, 000 $ 637, 000 Appraisal costs 485, 100 594, 100 Internal failure costs $ 829,500 550, 000 External failure costs $1, 012, 000 $ 720, 800 Required: 1. Calculate the total cost of quality last year and this year. Last Year This Year Total cost of quality $ 2,683,600 $ 2,501,900 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 13.3 % Appraisal costs 18.1 % Internal failure costs 30.9 % External failure costs 37.7 % Total percent 100.0 %