Elaine's computer printer broke down shortly after she purchased it. When she called the toll-free service number, she was told that she had to pay to speak to a service representative. It made her so unhappy that she told her friends and family about the problems she faced and advised them against buying that brand. Elaine's behavior in the given scenario best exemplifies:

Negative word-of-mouth

Explanation:

Negative word-of-mouth -

It refers to the negative feedback of the consumer for the goods or services he or she has used, is referred to as negative word - of - mouth.

In this case, people tries to spread the truthful experience of the product she or she has faced, to the nearby friends and neighbors,

This is one of the method, where people can get the real time information of any product or service.

Hence, same scenario of negative word - of - mouth is showcased, in the question.