Explanation:
Mention the definition of each.
Solution:
GDP: Gross Domestic Product (GDP) is the total money value of the final goods and services produced within the domestic territory during a financial year.
GNP: Gross National Income (GNP) is the total money value of the final goods and services produced by the citizens of a country during a financial year.
NNP: Net National Income (NNP) is a measure of national income calculated by subtracting depreciation from GNP.