just need 4a everything else is correct

0 Walton Company has measured its quality costs for the past two years. Aner the company gathers its quality cost dota, it summarizes those costs using the four categories shown below. Last Yes This Year Prevention coats 5357.000 695,500 Appraisal corte $ 499,400 594,100 Internal failure eta $ 859.000 545,000 EXUARAT Enilure et $ 1,070,000 $699.600 Required: 1. Calculate the total cost of quality last year and this year ook Total cost of quality Last Year This Year $ 2,713,400 $ 2.404.200 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.) Prevention costs Appraisalcos mare costs Extmature cool Totat peront Last Year 132 % 15.11 22.01 -3921 1000 10 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.) tank Print Prevention costs Appraisal costs Internal tallure costs External failure costs Total percent This Year 27.9 % 23.8% 21.9% 28.4% 100.0 % References 4a. Calculate the change in total cost of quality over the two-year period. Prevention and appraisal activities Internal and somal failure costs The total cost of quality increased Decreased Decreased