In economics, the class will learn in detail how our economic system works using Junior Achievement.  The class will organize a company and sell a product like a business would.  The whole principle with JA is to understand our system and how it works, so they will understand our countries successes and problems.
Sample Business Plan Sites:

Thinking Economics

Business Plan for a Startup Business Document

Accounting 1 | Accounting 2 | Business Law | Economics | General Business