Which of the following is TRUE regarding inclusion and exclusion of items/ transactions in GDP?

1. An appliance manufacturer purchases a new production equipment. It is included in GDP and is a part of investment
2. An unemployed plumber receives an unemployment insurance payment. It is included in GDP and is a part of government purchases
3. A town council hires a contractor to do paving work on the town's roads. It is excluded from GDP as it is a transfer payment.
4. An electronic typist sells a used type writing machine to his friend for $250. This transaction is included in GDP as it is a part of personal expenditure