Suppose fairness is defined as those with the highest incomes can afford to pay a greater proportion of their income in taxes. Then which of the following taxation systems would be consistent with this notion of fairness?a. A true flat tax.
b. A flat sales tax on consumption purchases.
c. A progressive tax on income.
d. A fixed federal tax of $5,000 that everyone pays regardless of income status.

c. A progressive tax on income.

Explanation:

Suppose fairness is defined as those with the highest incomes can afford to pay a greater proportion of their income in taxes. Then the following taxation systems would be consistent with this notion of fairness is a progressive tax on income.

A progressive tax is a taxing system in which the tax rate increases as the taxable amount increases.

"Progressive" as a terminology refers to the way the tax rate progresses from low to high, as income level increases.

explanation:

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