Cable-Op, Inc., is a manufacturer of fiber-optic cable used in the communications industry. Management is considering implementing a cost of quality program to monitor progress in achieving targets. The following information has been accumulated for a four-year period:

Prepare a bar graph for each year that includes the four categories of quality costs. What trends do you observe? What types of managerial decisions may result from reviewing your cost of quality graph?

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Category Internal failure 2004 2005 2006 2007 300,000 300,000 350,000 400,000 External failure 500,000 450,000 525,000 545,000 Prevention 60,000 72,000 70,000 65,000 Appraisal 80,000 105,000 110,000 110.000