As Part of Customer Profitability Analysis, the Relative Use of Certain

As part of customer profitability analysis, the relative use of certain activities by customers is compared to a norm. When the comparison shows excessive use of an activity by a customer, which of the following questions might be asked?

A) Is the problem a recent one?
B) Is the problem an ongoing one?
C) Is the problem getting worse?
D) All are possible questions