Answer:
it does not include the underground economy.
Step-by-step explanation:
Gross domestic product is the total sum of final goods and services produced in an economy within a given period which is usually a year
Nominal GDP is GDP calculated using current year prices while Real GDP is GDP calculated using base year prices. Real GDP has been adjusted for inflation.
GDP calculated using the expenditure approach = Consumption spending by households + Investment spending by businesses + Government spending + Net export
Items not included in the calculation off GDP includes:
1. services not rendered to oneself
2. Activities not reported to the government
3. illegal activities
4. sale or purchase of used products
5. sale or purchase of intermediate products