Identify the items that follow as capital expenditures or revenue expenditures.

1. Paid $80,000 for an elevator in a converted office building.
2. Paid $45 for a new battery in a 4 year old delivery truck.
3. Paid $3,000 for a new engine for a 4 year old delivery truck.
4. Paid $3,500 for installation materials and labor to place a new piece of equipment in a factory.
5. Paid $30 for an electronic pencil sharpener.
6. Paid a total of $2,700 during the year for fuel to operate a business vehicle.