Which of the following is TRUE of the four major categories of quality costs?
a. An increase in internal failure costs will decrease external failure costs.
b. An increase in prevention costs will decrease appraisal costs.
c. Savings in external failure costs will generate a larger savings than improvement in any other category.
d. An increase in appraisal costs will decrease internal failure costs.
Answer: b. An increase in prevention costs will decrease appraisal costs.