Answer:
b) The progressive income tax system
Step-by-step explanation:
The tax is compulsory contribution levied by the authority in a territory on goods, services, income and profit.
Proportional income tax :Income tax is said to be proportional where the same tax rate is paid by all irrespective of their income bracket.
A progressive income tax is that where the tax rate becomes higher for those income earners in the high income bracket. The tax rates on every dollar earned becomes higher with increase in income.
The regressive income tax is where a lower percentage is paid as tax as the income income increases. Lower rate is paid on additional dollar earned.
The scenario in the question falls under the concept of progressive income tax system