Saved Help Save C Last Year This Year Prevention costs $ 339, 200 $ 643, 500 Appraisal costs $ 476, 200 $ 545,000 Internal failure costs $ 750, 500 $ 470,090 External failure costs $ 1, 034, 000 $ 680,000 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? ices 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. Last Year This Year Total cost of quality