Adolphson Corporation Has Provided the Following Summary of Its Quality

Multiple Choice

Adolphson Corporation has provided the following summary of its quality cost report for the last two years:
.
On the basis of this report,which one of the following statements is most likely correct?

A) An increase in prevention and appraisal costs resulted in fewer defects, and therefore, resulted in a decrease in internal and external failure costs.
B) A decrease in internal and external failure costs resulted in less need for prevention and appraisal costs.
C) Quality costs such as scrap and rework decreased by 48%.
D) Quality costs such as returns and repairs under warranty decreased by 40%.