GMAT Critical Reasoning (CR) | Re: When Americans filed their tax returns this year, the United

Tax revenues increased 13.4% from the previous year, even though the number of employee tax returns filed stayed almost constant. Many possible explanations exist: an increase in tax revenue collected per person, an increase in tax revenue collected from other sources, such as from businesses or taxes on investments, a misleading increase due to a return to normal levels after a sharp reduction last year, and so on.
(A) CORRECT. This statement does not explain the seemingly contradictory trends.
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