Walton Company measured its quality costs for the past two years and summarized those costs using the four categories shown below: Last Year Prevention costs Appraisal costs $ 324,900 This Year $ 604,500 $ 440,600 $ 517,800 Internal failure costs $ 734,700 $ 450,000 External failure costs $ 1,023,000 $ 727,600 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? Answer is complete but not entirely correct. Complete this question by entering your answers in the tabs below. Req 1 Req 2 Req 3 Req 4A Req 4B 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 $2,299,900 Increased $ 2,523,200 Decreased $223,300 Decreased