A tax rate that increases as the tax base increases is an example of what kind of tax rate structure?

A) Progressive.
B) Proportional.
C) Regressive.
D) Recessive.

Tax Rate Structure

The framework defining how different levels of income are taxed at various rates, often progressive, where higher income incurs higher tax rates.

Progressive

A tax system in which the tax rate increases as the taxable amount increases, placing a larger burden on those who have higher incomes.

Proportional

A tax system where the tax rate remains constant as the taxable amount increases.