Based on what you described, identify which of the following Ten Principles of Economics you think is most important to running a business. Ten Principles of Economics Principle 1: People Face Trade-Offs Principle 2: The Cost of Something Is What You Give Up to Get It Principle 3: Rational People Think at the Margin Principle 4: People Respond to Incentives Principle 5: Trade Can Make Everyone Better Off Principle 6: Markets Are Usually a Good Way to Organize Economic Activity Principle 7: Governments Can Sometimes Improve Market Outcomes Principle 8: A Country's Standard of Living Depends on Its Ability to Produce Goods and Services Principle 9: Prices Rise When the Government Prints Too Much Money Principle 10: Society Faces a Short-Run Trade-Off between Inflation and Unemployment