Explanation:

- Corporate Tax is levied on the profits of corporations.

- Option 1: Personal Income - Personal income refers to an individual’s total earnings, including wages and salaries. Corporate tax is not applied here.

Correct Answer

- Option 2: National Income - This includes the total value of goods and services produced within a country; corporate taxes reduce this income.

- Option 3: Domestic Income - Domestic income refers to the total value of output generated within a country's borders, where corporate tax is a factor.

- Option 4: Private Income - Private income could include corporate income, affected by corporate taxes.