Which of the following is the rationale behind using the approach of integrated marketing communication?
a. Old-school consumers view a product as more credible and trustworthy if it is marketed extensively over one form of traditional media.
b. Integrated marketing communication lets marketers send messages exactly how they want to, instead of allowing consumers to create their own perceptions about the messages.
c. Integrated marketing communication is less expensive and less time consuming.
d. Consumers do not think about the specific source of a message, but they instead combine the messages from all the sources to create a coherent impression about the product.