The following problem situations occurred in a manufacturing company. Choose one of the following and list a question you would ask to understand the problem. Hint: "Why did this happen?" is not an adequate response. Be sure to identify the problem as well as the question you ask.

A. Customer complaints about product quality have increased.

B. Accounting sees an increase in the number and dollar value of bad debt write-offs.

C. Operating margins have declined each of the past four years due to higher than expected production costs from idle time, overtime, and reworking products.