How can net national product at market price be defined?

Net national product (NNP) at market price represents the total market value of all final goods and services produced by a country's residents in a given period, adjusted for depreciation. It is calculated by adding net income from abroad to the net domestic product at market price. This measure accounts for both domestic production and the income earned by domestic residents from foreign sources, minus income earned by foreign residents domestically, providing a comprehensive view of a country's economic production.