An asset's book value or carrying value is its:

cost minus accumulated depreciation.

cost minus salvage or residual value.

cost minus salvage or residual value and accumulated depreciation.

accumulated depreciation.

The straight-line depreciation method:

reports an equal amount of depreciation expense each year.

reports a higher amount of depreciation expense in the early years of an asset's use.

reports more depreciation expense in a year when an asset is heavily used and less in a year when the asset is hardly used at all.

can be used only by small companies.