[Solved] Dirty jokes, vulgar slang, nude pictures, swearing, and personal ridicule and insult constitute quid pro quo sexual harassment. Useful Life: The estimated duration for which an asset is expected to be functional and economically viable for its intended purpose. Periodic Depreciation: The allocation of an asset's cost over its useful life, recognized as an expense on the income statement at regular intervals, typically annually. Cost Allocation: The process of identifying, aggregating, and assigning costs to cost objects, such as products, departments, or projects. Units-Of-Output Method: A depreciation method where the expense amount is based on the units of production or use of the asset during the period.