Which of the following items would not be included in GDP for the current year?
1. The dollar value of a do-it-yourself repair job in the current year.
2. The dollar value of a lawyer's services rendered in the current year.
3. The production of 50,000 books by McGraw-Hill in one year that were not sold in the current year.
4. The production and purchase of 50 new trucks by UPS in the current year in order to help deliver more parcels to customers.