| A | B |
|---|
| want | Something you do not need to survive but would like to have |
| need | something you will not survive without |
| goods | an item that is made to be sold |
| service | what people do for money |
| producer | people who make goods or services |
| consumer | people who pay for goods or services |
| supply | how much there is of goods and services |
| demand | how much people want of goods and services |
| barter | a way of buying and selling through trading |
| buying | giving money to a producer for goods or services |
| selling | getting money froma consumer for goods or services |
