COQ Histogram 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:
| 2010 | 2011 | 2012 |
Prevention costs | 1.00% | 4.00% | 2.00% |
Appraisal costs | 3.00 | 2.50 | 1.50 |
Internal failure costs | 27.00 | 23.00 | 14.00 |
External failure costs | 31.00 | 18.00 | 12.00 |
Required
1. Use a spreadsheet to prepare a histogram that shows the costs of quality (COQ) trends as a percentage of costs of goods sold.
2. Comment on the trends in cost of quality (COQ) over the three-year period from 2010 to 2012.
3. What cost of quality can the company expect as a percentage of its cost of goods sold in 2013? Explain.
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