The depreciation method that charges a varying amount to expense for each period of an asset's useful life depending on its usage is ________.

Depreciation Method

A systematic approach for allocating the cost of a tangible asset over its useful life, reflecting how the asset's economic value decreases over time.

Asset's Life

The expected period over which an asset is useful and can contribute to the revenue-generating activities of a business.

Usage

Refers to the consumption or allocation of resources, often related to utilities, software, services, or raw materials in a business context.