Check my work Walton 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 Appraisal costs. $ 339,200 $ 476,200 $ 643,500 $545,000 59:02 Internal failure costs $ 750,500 $ 470,000 External failure costs $ 1,034,000 $ 680,000 ok ht nces Required: 1. Calculate the total cost of quality last year and this year. 2. For last year, calculate the cost in each of the four categories as a percent of the total cost of quality. 3. For this year, calculate the cost in each of the four categories as a percent of the total cost of quality. 4-a. Calculate the change in total cost of quality over the two-year period. 4-b. Is performance trending in a favorable or unfavorable direction? Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Required 4A Required 4B Calculate the total cost of quality last year and this year. Total cost of quality Last Year This Year