Consideration, which must be given in order to make a contract legally binding, is legally sufficient and bargained-for value, given by the promisor in return for the promisee performing or refraining from performing some act which results in a detriment to the promisee and/or a benefit to the promisor.

Which of the following would constitute legally sufficient consideration?

there must be a bargained-for exchange. To be legally sufficient, consideration must be something of value in the eyes of the law.

What is constitute consideration?

Constitute consideration is can be an anything of value such as an item or services, from the each party to a legally-binding contract must agree to exchange if the contract is to be valid. For example, on one side party offers consideration, the agreement is not legally a binding contract.