Answer:
The correct answer is (C) Diagnosis.
Step-by-step explanation:
The marketing plan is the starting point to successfully implement the business strategies of any business. It is a written document that must contain the objectives, strategies and actions to be performed. It must be developed both strategically and tactically; that is, you must consider the conditions surrounding the business and the details of the execution of the plan.
Within the strategic level, there is the diagnosis. This step is fundamental, as it provides the foundation for the development of a good marketing plan. The diagnosis allows to gather crucial information regarding the initial situation of the business and the market, with which it is possible to anticipate the threats or opportunities provided by external factors.