The source that has contributed with a maximum share in the sources of federal revenue are the individual income taxes. Hence, option D is correct.
What is personal income?
A personal income refers to such income, which an individual has earned or generated throughout a given financial year in his individual capacity. Individual income may be earned through different sources of income.
As each individual taxpayer who earns over a threshold limit is under a liability to pay taxes, personal income has become the contributor with the largest share in the federal revenue.
Hence, option D states regarding the personal income.
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