Match the definitions and the items.

12345	Plant , Property, and Equipment
12345	Units-of-Activity
12345	Book Value
12345	Salvage Value
12345	Depreciation

1.	Cost less accumulated depreciation.
2.	Rational allocation of the cost of an asset over its useful life.
3.	Service life is expressed in terms of units of production or expected use, such as miles, hours, or units.
4.	Expected value of the asset at the end of its useful life to the company.
5.	Tangible resources that are expected to be used in operations and are not for resale.