Income method of calculating GDP:GDP=wages+interest+profits+rents+indirect taxes and corporate transfers+depreciation can also be viewed as GDP=income from the production of to be compounded+unproductive factors.
Gross Domestic Product (GDP) is the final result of productive activities of all resident units of a country (or region) in a given period of time at national market prices, and is often recognized as the best indicator of a country's economic situation. Gross domestic product GDP is an important comprehensive statistical indicator in the accounting system, and is also the core indicator in China's new national economic accounting system, which reflects a country's (or region's) economic
economic strength and market size.