I have calculated prevention, appraisal, internal failure, and external failure costs as a percentage of total quality costs and as a percentage of revenue before the change. The correct answers are in blue. What I am stuck on is calculating prevention, appraisal, internal failure, and external failure costs as a percentage of total quality costs and as a percentage of revenue after the change. The change is mentioned in requirement 2.

ABC Design produces cell phone covers for all makes and models of cell phones. ABC Design sells 1,017,500 units each year at a price of $14 per unit and a contribution margin of 42%. A survey of ABC Design customers over the past 12 months indicates that customers were very satisfied with the products, but a disturbing number of customers were disappointed because the products they purchased did not fit their phones. They then had to hassle with returns and replacements. ABC Design's managers want to modify their production processes to develop products that more closely match ABC Design's specifications because the quality control in place to prevent ill-fitting products from reaching customers is not working very well. - Current costs of quality $ 202,000 105,000 $ $ 428,000 $ 24,000 Prevention costs Appraisal costs Internal failure costs Rework Scrap External failure costs Product replacements Lost sales from customer returns The QC manager and controller have forecast the following additional costs to modify the production process. CAD design improvement Improve machine calibration to specifications $ 327,500 786,500 $ $ 148,500 136,000 $ Calculate prevention, appraisal, internal failure, and external failure costs as a percentage of total quality costs and as a percentage of revenue before the change. Fill in the table below. (Round the percentage amounts to one decimal place, X.X%) Percentage of Total Percentage of Description Amount Costs of Quality Revenues Prevention costs $ 202,000 14.3 % % 105,000 Appraisal costs 7.4 % 0.7 % Internal failure costs 1.4 Rework 428,000 24.000 Scrap 452,000 31.9 % 3.2 % Total internal failure costs External failure costs Product replacements costs 327,500 330,330 Lost contribution margin from customer returns 657,830 Total external failure costs 46.4 % 4.6 % $1,416,830 Total costs of quality Calculate prevention, appraisal, internal failure, and external failure costs as a percentage of total quality costs and as a percentage of revenue after the change. Fill in the table below. (Round the percentage amounts to one decimal place, X.X%.) Percentage of Total Costs of Quality Percentage of Revenues Description Amount 486,500 Prevention costs % % 105,000 Appraisal costs % % Internal failure costs Rework 428,000 24,000 Scrap Total internal failure costs 452,000 % % External failure costs Product replacement costs 137,550 112,312 Lost contribution margin from customer returns Total external failure costs 249,862 % % Total costs of quality 1,293,362