The following PMP® exam sample question is taken from the Free PMP Exam Simulator at http://free.pm-exam-simulator.com - The answer is at the very bottom:

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Cost of Quality refers to the total cost of all efforts related to quality throughout the Product Life Cycle. Organizations should invest in product quality improvement to reduce which of the following?

A.) Internal Cost of Quality
B.) Prevention Costs
C.) Appraisal Costs
D.) External Cost of Quality