Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

In calculating personal income for a given year, which of the following would not be subtracted from national income?
Option A:Indirect business taxes.
Option B:Undistributed corporate profits.
Option C:Unincorporated business net income.

Answer: C