| A | B |
| supply | The amount of a product or service there is to be sold. |
| demand | A desire for a good or a service by people who are willing to pay for it. |
| risk | to take a chance. |
| investment | To use or lend money for some business, property, stock, etc. in order to get a profit. |
| government services | Services provided by the government for “the common good” such as national defense, public radio and television, public water and sewer. |
| competition | In business, the contest among companies to get the most customers or sell the most products. |
| lending | Giving money to someone who must later pay it back with interest. |
| borrowing | To use money for a while and pay it back later, usually with interest. |
| saving | Keeping money for future use. |
| profit | The amount of money gained in business deals after all expenses have been subtracted. |
| interest | Money paid for the use of money; also the rate at which it is paid. |
| taxes | Money that government collects from it citizens, usually to pay for services |
| user fee | Money paid for the use of a product or facility. |