Why does the tax concept of income more closely resemble the accounting concept of income that the economic concept?

A. Administering the tax law based on the accounting concept of income is easier and wherewithal-to-pay is greater when income is taxed as it is recongized.

B. Administering the tax law based on the accounting concept of income is easier and wherewithal-to-pay is greater when income is taxed as it is reallized.

C. The economic concept of income is too objective to determine taxable income.

D. None of the above