After subtracting all deductions and exemptions from total income, you are left with

A) taxable income.
B) marginal income.
C) standardized income.
D) the tax base.

Taxable Income

The portion of an individual or entity's income that is subject to taxation, after deductions and exemptions, according to the law.

Deductions

Expenses or specific amounts that can be subtracted from one's gross income to reduce the taxable income.