A Tax System in Which the Tax Rate on Everyone's

Multiple Choice

A tax system in which the tax rate on everyone's first $10,000 of income is 10 percent, the tax rate on everyone's second $10,000 of income is 15 percent, and the tax rate on all income over $20,000 is 25 percent is a(n) :

A) proportional tax.
B) equitable tax.
C) head tax.
D) unit tax.
E) progressive tax.