The five key components of the marketing plan are

A. mission statement, situation analysis, promotion strategy, financials, and controls.
B. executive summary, situation analysis, marketing strategy, financials, and controls.
C. executive summary, market positioning, marketing strategy, financials, and implementation.
D. mission statement, situation analysis, marketing strategy, financials, and controls.
E. executive summary, situation analysis, positioning, financials, and implementation.

Explanation: Marketing plan refers to the plan made by the senior managers of an organisation that depicts the marketing strategy to be used by the company in the coming period. This is a flexible plan and is made for generally a period of 12 months.

This, plan consist of of all the factors that are essential for positive marketing. It outlines the execution procedure and the various analysis required. It also includes the financial and controlling procedures to be used.

Hence, we can conclude that the right answer is option B.