The Theoretical Justification for Reporting Depreciation Expense Is

The theoretical justification for reporting depreciation expense is

A) Depreciation expense represents a decrease in the value of the asset that has occurred during the accounting period.
B) Depreciation expense represents the impairment of the asset that has occurred during the accounting period.
C) Depreciation expense represents the unrealized loss that has been incurred by using the asset during the accounting period.
D) Depreciation expense represents the allocation of the historical cost of the asset that has been applied to the accounting period