In each of the following cases, determine what component of GDP is affected (if it all).

1. Social security payments received by a retired factory worker.

2. Unpaid services of a family member in painting the family home.

3. Income of a dentist from dental services provided. 4

. A monthly allowance a college student receives from home.

5. The publication and sale of a new college textbook.

6. A $2 billion increase in business inventories.

7. The purchase of 100 shares of Google stock.