Solution:GNP is a broad measure of a nation’s total economic activity. GNP is the value of all finished goods and services produced in a country in one year by its nationals. GNP is commonly calculated by taking the sum of personal consumption expenditures, private domestic investment, government expenditure, net exports and any income earned by residents from–overseas investments, minus income earned within the domestic economy by foreign residents. So, the consumers goods and services, Gross private domestic investment, Goods and services produced by the Government and net income from abroad are included in GNP.