Question

For a contract to be valid, something of measurable value must be exchanged by the parties involved. This is the principle of
a. agreement.
b. legality.
c. competent parties.
d. consideration.

Answer 1

The principle you are referring to is called **d. consideration**. Consideration refers to something of value that is exchanged between the parties involved in a contract, and it is a necessary element for a contract to be considered valid and enforceable.