Customer-driven marketing is most likely to work well when ________ and when customers ________.
A) a clear need exists; are difficult to identify
B) customers do not know what they want; have limited budgets
C) there are few competitors; are concerned about their long-run welfare
D) a clear need exists; know what they want
E) a want exists; cannot afford it
Answer: D) a clear need exists; know what they want