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100

The study of the making, buying and selling of goods and services 

Economics

100

The amount of something available for use

supply

100

Any kind of work performed for others

Service

100

Something you can feel or any kind of merchandise

Good

100

When the amount of money a person or company spends is more than they receive or take in 

Loss

200

There is a limited supply of something

Scarcity

200

A person who comes up with a product or service, or a better way to produce one

Entrepreneur

300

The money that the government collects from individuals and businesses to pay for public goods and services.

Taxes

300

The positive gain from an investment or business after subtracting expenses

profit

300

How much of a product or service is desired by buyers

Demand

400

When an individual or a company does one part of a task and relies on others to complete the other parts of the task

specialization

400

The process of choosing one good or service over another

Opportunity Cost

500

Anyone who makes or grows a good or performs a service

producer

500

When people depend on one another

Interdependence

500

Anyone who buys a good or service

consumer