How Is the Per Capita Gross National Income Calculated

How is the per capita gross national income calculated?

A) It is the total amount of goods produced and sold minus the amount of goods and services imported.
B) It is the total amount of goods produced plus the amount of goods exported.
C) It subtracts the amount of exports and imports from the national total production and divides this by the number of citizens.
D) It adds the total amount of goods or services exported to the amount imported and divides this by the total income of the population.
E) It adds the total amount of output or production of goods and services to the amount of income of residents and divides this by the total population.