| A | B |
|---|
| Complementary Goods | Goods that are used with each other, such as cars and tires |
| Demand | The amount of goods or service that consumers are willing and able to buy at different prices |
| Demand Curve | The line on a graph that represents the amount of goods or services that consumers will buy at different prices |
| Graph | A diagram that shows the relationship between two or more sets of quantities |
| Income | The amount of money at a person makes in a certain time period |
| Interchangeable | Capable of being put in place of one another |
| Law of Demand | The economic law which states that consumers will buy more goods or services as the price goes down |
| Substitute Goods | Goods that can take the place of one another |
