Solution :
GDP stand for Gross Domestic Product. It is the measure of a national production and income of a country. It is the total produce of any country's products and services in a financial year that will boast its economy.
According to the question, assigning to the category of GDP are :
1. When we buy a car : --- Consumption
2. When a new oven is bought by a bakery : --- investment
3. When we get a haircut done : -- Consumption
4. Town buys a new fire truck : --- Government purchase
5. When we buy a new pair shoe that is made in Thailand : --- Exports or Imports
6. A bridge build by the Federal Government : --- Government purchase
7. A MRI machine bought by a private hospital : --- Investment
8. When we stay in hotel that is in Italy : --- Imports or Exports