Which of the following best illustrates the difference between GDP and GNP?

a. GDP measures the goods consumed by the citizens of a country, while GNP measures output exported to other countries.
b. GDP measures the output produced by the citizens within a country, while GNP measures output produced by noncitizens within a country.
c. GDP measures the output produced by the citizens of a country, while GNP measures output produced within the borders of a country.
d. GDP measures the output produced within the borders of a country, while GNP measures output produced by the citizens of a country.

D