Genova Company classifies its costs of quality into four categories. The costs of quality (COQ) as a percentage of cost of goods sold for the last three years are as follows:

Required
1. Use a spreadsheet to prepare a histogram that shows the costs of quality (COQ) trends as a percentage of cost of goods sold.
2. Comment on the trends in cost of quality (COQ) over the three-year period from 2016 to 2018.
3. What cost of quality can the company expect as a percentage of its cost of goods sold in 2019? Explain.

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2016 2017 2018 4.00% 2.50 23.00 18.00 2.00% 1.50 14.00 12.00 1.00% 3.00 Prevention costs Appraisal costs Internal failure costs External failure costs 27.00 31.00