Which of the following is not needed while considering the Gross National Product?

Q. Which of the following is not needed while considering the Gross National Product?

1. The net investment made by foreigners within a given period
2. The total of private investments made within a given period
3. The total purchase of goods made by the government within a given period
4. The total per capita income of the citizens of a country within a given period

Answer: The total per capita income of the citizens of a country within a given period