Which of the following is an example of a proportional tax? (A) All Clayton county residents must pay a 1.5% income tax. (B) Clayton county residents who make $50,000 or more do not have to pay a 1.5% county income tax. (C) Clayton county public school teachers only pay 1% in county income tax. All other county residents pay 1.5%. (D) Clayton county public officials pay 2% in county income taxes. A progressive tax (A) allows the ability-to-pay rule to be used to determine someone's tax rate. (B) takes an equal percentage of income taxes from all individuals. (C) takes a bigger percentage of income taxes from people with lower incomes than from people with higher incomes. (D) takes a bigger percentage of income tax from people with higher incomes than someone with a lower income