marginal
B2CEFR level
45/100Rarity: uncommon
TechnicalRegister
Relating to the additional cost or revenue arising from one more unit of output.
Under marginal costing, only variable costs are charged to units and fixed costs are treated as period costs.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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