True/False

1-Prior to the Sixteenth Amendment direct taxes are illegal.

2- All U.S taxes are based on an individual's income true or false

3- The majority of dollars collected by the U.S. government come by way of corporate taxation.

4- Property taxes are a major source of revenue for the federal government.

5- The U.S. federal tax system is a self-assessment tax collection system.

6- The current tax system can be classified as ''pay-as-you-go''.

7- Since 1913, changes in the tax laws have always increased individual tax rates, never decreased them.