1. We study economics to work as managers./We study economics in order to work as managers.2. Farmers grow animals to produce meat and milk./Farmers grow animals in order to produce meat and milk.3. Factories and plants use fuel and energy to process resources./Factories and plants use fuel and energy in order to process resources. 4. Companies produce goods to sell them./Companies produce goods in order to sell them. 5. Mining gets minerals from the earth to provide resources for manufacturing./Mining gets minerals from the earth in order to provide resources for manufacturing. 6. Factories process resources to sell them as goods./Factories process resources in order to sell them as goods. 7. Economists make models to use them in economic analyses./Economists make models in order to use them in economic analyses.