So the executive summary, or statement of purpose, should succinctly encapsulate your reason for writing the business plan. It needs to tell the reader what you want and why, right up front.

Osono, Emi, Norihiko Shimizu, and Hirotaka Takeuchi. Extreme Toyota: Radical Contradictions That Drive Success at the World's Best Manufacturer. Hoboken, NJ: John Wiley & Sons, 2008. (Selected for the ...