Tracy's is a chain of hair dressing salons for women. they use television, magazines, radio, and newspapers to advertise their services. the owners ensure that all communication channels deliver a common message to prospective customers. in so doing, tracy's is practicing

In so doing, Tracy's is practicing "Integrated Marketing".

Integrated Marketing is a way to deal with making a unified and consistent experience for shoppers to interface with the brand/endeavor; it endeavors to merge all parts of showcasing correspondence, for example, publicizing, deals advancement, advertising, coordinate promoting, and online life, through their particular blend of strategies, techniques, channels, media, and exercises, so all cooperate as a bound together power. It is a procedure intended to guarantee that all informing and interchanges methodologies are steady over all channels and are focused on the client.

answer: i'd say the answer is d because the information system is the human already doing the activity.

the answer is i don't know