Net National Product (NNP) is equal to the

Net National Product (NNP) is the total value of goods and services produced by a country's residents and businesses in a given period, minus the depreciation of capital goods. In other words, NNP represents the total income earned by a country's citizens and businesses in a given period, after accounting for the wear and tear of equipment, buildings, and other capital assets used in the production process. Therefore, the correct option is: Gross National Product (GNP) less depreciation.