Cost that is not absolutely necessary, such as the cost of advertising, research and development, which can be altered at the discretion of the manager of a firm. If these costs are postponed they do not affect the operations of the firm in the short term.

Previous Terms: 1031 Exchange, 1035 Exchange, AARP, Abeyance, Abstraction Principle, Accelerated Amortization, Acceptance Credit, Acceptance of a Bill of Exchange, Accommodation Bill, Accommodation Endorser