Which of the following best describes a major benefit of a marketing audit?

	a.	It educates managers that satisfying customers is a joint responsibility, not simply a task to be delegated to sales and marketing.
	b.	It keeps marketing staff aware of their performance, as the benefit of marketing is normally difficult to quantify and evaluate by management.
	c.	It identifies opportunities to outsource certain marketing functions, and enables the marketing department to focus on its core competency.
	d.	It helps management redistribute unproductive marketing spending on other company operations.