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In business, an overhead or overhead expense is an ongoing expense of operating a business. Overheads are the expenditure which cannot be conveniently traced to or identified with any particular revenue unit, unlike operating expenses such as raw material and labor.
For example, variable manufacturing overhead costs are variable costs that are indirect costs, not direct costs. Variable costs are sometimes called unit-level costs as they vary with the number of units produced. Direct labor and overhead are often called conversion cost, [3] while direct material and direct labor are often referred to as ...
A pre-determined overhead rate is normally the term when using a single, plant-wide base to calculate and apply overhead. Overhead is then applied by multiplying the pre-determined overhead rate by the actual driver units. Any difference between applied overhead and the amount of overhead actually incurred is called over- or under-applied overhead.
This creates a so-called protocol overhead as the additional data does not contribute to the intrinsic meaning of the message. [5] [6] In telephony, number dialing and call set-up time are overheads. In two-way (but half-duplex) radios, the use of "over" and other signaling needed to avoid collisions is an overhead.
In economics, factors of production, resources, or inputs are what is used in the production process to produce output—that is, goods and services.The utilised amounts of the various inputs determine the quantity of output according to the relationship called the production function.
Overhead storage, for example overhead storage bins, racks, shelves, cabinets or track systems in aircraft, trains or buildings; Overhead cam, a mechanical device; Overhead join, in air traffic control; Overhead press, an upper-body weight training exercise in; Overhead crane or bridge crane, a type of crane sliding on two parallel rails
An overhead projector (often abbreviated to OHP), like a film or slide projector, uses light to project an enlarged image on a screen, allowing the view of a small document or picture to be shared with a large audience.