Walton Company measured its quality costs for the past two years and summarized those costs using the four categories shown below: Last Year Appraisal costs Prevention costs Internal failure costs $ 385,600 This Year $ 617,500 $ 409,400 $ 545,000 $ 758,400 $ 455,000 External failure costs $ 1,100,000 $ 612,000 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