| A | B |
| Income taxes | The largest source of government revenue in the United States. |
| Progressive | Income tax is an example of which type of tax? |
| Regressive | Sales tax is an example of which type of tax? |
| Increase | As taxable income increases, income tax rates do what? |
| Dependent | A person who lives with you and receives support. |
| April 15 | You must file your federal income tax return no later than what date? |
| Congress | According to the U.S. Constitution, the power to tax rests with whom? |
| An Audit | An examination of tax returns by the IRS is called what? |
| Taxpayer, taxpayer's spouse, person who prepared the return | People who must sign a tax return. |
| Child Support | What is not considered taxable income on a tax return? |