Answer the next question on the basis of the following five schedules,all of which represent income tax schedules for an economy.All figures are in billions of dollars. 
Which of the above schedules represent(s) a progressive tax?
Definitions:
Voidable Title
A legal concept indicating that a title or ownership can be rendered invalid by a court if certain conditions are met.
Good-faith Purchaser
An individual who buys property without knowledge of any existing claims or disputes over the property.
Nonmerchants
Refers to individuals or entities that are not engaged in buying and selling goods for profit, contrasting with merchants who are regularly involved in commerce.
Security Interest
A legal claim or lien on collateral that has been pledged, usually by a debtor to secure repayment of a loan, giving the lender a right to repossess the property if the loan is not repaid.
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