Taxpayer Barbara pays tax of $5,000 on taxable income of $50,000 while taxpayer Charlie pays tax of $18,000 on $120,000. What type of tax is this? O Progressive tax. Proportional tax. O Regressive tax. O None of the above.

Taxpayer Barbara pays tax of $5,000 on taxable income of $50,000 while taxpayer Charlie pays tax of $18,000 on $120,000. What type of tax is this? Procreselve tas Proportsonal tac. Rrigrsuvetax Nores of the abeve