What is the primary difference between Gross National Product (GNP) and Gross Domestic Product (GDP)?

• A. GNP is always higher than GDP for any given country.
• B. GNP includes production by a country's citizens regardless of location, while GDP includes all production within a country's borders.
• C. GNP measures only the production of goods, while GDP measures both goods and services.
• D. GNP includes only domestic production, while GDP includes both domestic and foreign production.

Answer: (B)