Only a Small Percentage of Dissatisfied Consumers Actually Take the Time

Only a small percentage of dissatisfied consumers actually take the time to write complaint letters to offending companies. This suggests that a firm receiving a moderate number of product-related complaints should

A) wait for more complaints before acting.
B) investigate further to see if a real problem exists.
C) resolve all complaints, regardless of fault, to consumers' satisfaction.
D) assume that some consumers are always prone to be unhappy.