plural of sunk cost

Part of an oilfield operator's entitlement to revenue as compensation for incurred production costs as stated in a production sharing agreement.

plural of unit cost

The cost to acquire a unit of a good or service for a specific quantity that is purchased.

plural of marginal cost

As an absolute imperative; sparing no effort or expense

(idiomatic) To be a huge expense.

(finance) The unused part of the economic benefit of an expenditure that remains as an asset for future use

(finance) The amount paid by a trader for goods purchased. / (finance) The cost to a manufacturer of producing an item, before any profit is taken.

plural of accounting cost