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  2. Economic cost - Wikipedia

    en.wikipedia.org/wiki/Economic_cost

    Total variable cost (TVC) is the same as variable costs. [5] Fixed cost (TFC) are the costs of the fixed assets those that do not vary with production. [6] Total fixed cost (TFC) Average cost (AC) are total costs divided by output. AC = TFC/q + TVC/q Average fixed cost (AFC) is equal to total fixed cost divided by output i.e. AFC = TFC/q. The ...

  3. Total viable count - Wikipedia

    en.wikipedia.org/wiki/Total_Viable_Count

    A TVC is achieved by plating serial tenfold dilutions of the sample until between 30 and 300 colonies can be counted on a single plate. The reported count is the number of colonies counted multiplied by the dilution used for the counted plate

  4. Shutdown (economics) - Wikipedia

    en.wikipedia.org/wiki/Shutdown_(economics)

    However, there can be physical assets whose cost during production is fixed but which have a salvage value which can be obtained if there is a shutdown. When some costs are sunk and some are not sunk, total fixed costs (TFC) equal sunk fixed costs (SFC) plus non-sunk fixed costs (NSFC) or TFC = SFC + NSFC.

  5. Thin-film composite membrane - Wikipedia

    en.wikipedia.org/wiki/Thin-film_composite_membrane

    Most TFC's are used in water purification or water desalination systems. They also have use in chemical applications such as gas separations, dehumidification, batteries and fuel cells. A TFC membrane can be considered a molecular sieve constructed in the form of a film from two or more layered materials. The additional layers provide ...

  6. Theory of functional connections - Wikipedia

    en.wikipedia.org/wiki/Theory_of_functional...

    The Theory of Functional Connections (TFC) is a mathematical framework designed for functional interpolation. It introduces a method to derive a functional— a function that operates on another function—capable of transforming constrained optimization problems into equivalent unconstrained problems.

  7. Throughput accounting - Wikipedia

    en.wikipedia.org/wiki/Throughput_accounting

    T=Sales less TVC and NP=T less OE. Throughput (T) is the rate at which the system produces "goal units". When the goal units are money [8] (in for-profit businesses), throughput is net sales (S) less totally variable cost (TVC), generally the cost of the raw materials (T = S – TVC). Note that T only exists when there is a sale of the product ...

  8. Total cost - Wikipedia

    en.wikipedia.org/wiki/Total_cost

    In marketing, it is necessary to know how total costs divide between variable and fixed. "This distinction is crucial in forecasting the earnings generated by various changes in unit sales and thus the financial impact of proposed marketing campaigns."

  9. Cost curve - Wikipedia

    en.wikipedia.org/wiki/Cost_curve

    The total cost curve, if non-linear, can represent increasing and diminishing marginal returns.. The short-run total cost (SRTC) and long-run total cost (LRTC) curves are increasing in the quantity of output produced because producing more output requires more labor usage in both the short and long runs, and because in the long run producing more output involves using more of the physical ...