Economic surplus simply refers to gains that is benefited by a consumer or producer within an economic activity.
Your information is incomplete. Therefore, an overview of surplus will be given. Economic surplus is also known as the total welfare.
It's simply the extra benefit gotten in a transaction. It's typically the area above the equilibrium price of the good. It's also below the demand curve.
Learn more about surplus on:
https://brainly.com/question/1483399
