Which of the Following Is a Mistake Often Committed by Service

Which of the following is a mistake often committed by service marketers?

A) Service marketers tend to avoid advertising the services that they offer.
B) Service marketers tend to depend excessively on one or two elements of the marketing mix.
C) Service marketers tend to distribute services by conceptually distinguishing between the production and distribution of services.
D) The problem of making services more widely available is given more importance.