Final answer:
Congress taxes prepaid rental income due to the concern that taxpayers who spend the money will be unable to pay the tax when it comes due. The problem created for taxpayers is that they are taxed before they incur related expenses, such as repairs, insurance, and depreciation.
Step-by-step explanation:
Congress taxes prepaid rental income due to the concern that taxpayers who spend the money will be unable to pay the tax when it comes due. The problem created for taxpayers is that they are taxed before they incur related expenses, such as repairs, insurance, and depreciation. This creates a mismatching of revenue and expenses.