Final answer:
A proportional tax uses the same rate for all income levels, ensuring a consistent percentage of income is paid as tax.
Explanation:
In tax systems, a proportional tax uses the same rate for all income levels. This means that regardless of how much income a person earns, they will pay the same percentage in taxes. For example, if the tax rate is 10%, both a person earning [tex]$20,000 and a person earning $[/tex]200,000 will pay 10% of their income as tax.
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