Sale

Contract involving transfer of the possession and ownership (title) of a good or property, or the entitlement to a service, in exchange for money or value. Essential elements that must be present in a valid sale are (1) competence of both the buyer and seller to enter into a contract, (2) mutual agreement on the terms of exchange, (3) a thing capable of being transferred, and (4) a consideration in money (or its equivalent) paid or promised. See also sales.