A marketing plan is a written document that specifies an organization's resources, objectives, marketing strategy, and implementation and control efforts. It should include:

$$ A$)$ an executive summary, environmental analysis, and implementation plan.

B$)$ a SWOT analyis.

C$)$ specification of the firm's marketing objectives and related performance evaluation measures.

D$)$ all of the above except for SWOT analysis because SWOT analysis is used for strategic planning.

$$ E$)$ all of the above.