In 2021, depending on the amounts of income and other tax information, some individuals may report their income on Form 1040A.
Form 1040A is defined as a form that permits a person to claim a limited number of tax credits after calculated the amount of taxes, such as the child tax credit, child and dependent care expenses, the credit for the elderly or disabled, and education tax credits.
Some individuals may be required to file Form 1040A in 2021, based on their income and other tax information.
Therefore, option c is correct.
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