I'M CONFUSED ON HOW TO SOLVE FOR QUESTIONS 3B-F. HELP PLEASE.

Required Information {The foiiowing' infomIation applies to the questions dismayed bellow} Acme Materials Company manufactures and sells synthetic coatings that can withstand high temperatures. its primary customers are aviation manufacturers and maintenance companies. The following table contains nancial information pertaining to cost of quality {C06} in 2616 and 2626 [In thousands of dollars]: 2616 2626 sales $16,666 $26,666 Materials inspection 366 66 Inprocess {production} inspection 166 131 Finished product inspection 316 16 Preventive equipment maintenance 26 66 Scrap inst: 566 366 Warranty!r repairs 1'66 516 Product design engineering 156 336 Vendor certification 16 66 Direct costs of returned goods 335 66 Training of factor}.T workers I6 Product testingequipment Iaintenance 66 66 Product testing labor 216 66 Field repairs 16 I6 Rework. before shipment 366 Productliability settlement 426 66 Emergency repair and maintenance 266 61 ' Required: 1. Classify the cost items in the table Into cost-of-quality {CO-Ci] categories. 2. Calculate the ratio of each C06- category to revenues in each of the 2 years. 3. Calculate the percentage change In each COG category and total CCICII and comment on the results: a. Percentage change in total COG as a percentage of salesr from 2616 to 2626; In. Total C66 in 2626 expressed as a percentage of 2616 sales dollars; c. Percentage change in total prevention costs. 2616 to 2626'. d. Percentage change in total appraisal costs. 2616 to 2626: e. Percentage change In total Internal failure costs, 2616 to 2626; 1'. Percentage change In total external failure costs 2616 to 2626. Reg 1 and 2 Req 3 Calculate the percentage change in each COQ category and total COQ and comment on the results: (Round your answers to decimal places.) 3a. Percentage change in total COQ as a percentage of sales, from 2019 to 2020 28.96 % : decrease 3b. Total COQ in 2020 expressed as a percentage of 2019 sales dollars 3c. Percentage change in total prevention costs, 2019 to 2020 3d. Percentage change in total appraisal costs, 2019 to 2020 Je. Percentage change in total internal failure costs, 2019 to 2020 3f. Percentage change in total external failure costs, 2019 to 2020