The total surplus in a market is the:

A) excess supply due to a price above the equilibrium price.
B) surplus that accrues when a good is not scarce,defined as the total amount (if any) by which quantity supplied exceeds quantity demanded at a zero price.
C) net benefit to consumers,defined as the excess of consumer surplus over producer surplus.
D) sum of consumer surplus and producer surplus.

Total Surplus

The sum of consumer surplus and producer surplus, representing the total benefit to society from the production and trade of goods and services.

Consumer Surplus

The difference between the total amount consumers are willing to pay for a good or service and the total amount they actually pay; a measure of consumer benefit.

Producer Surplus

The difference between the amount a producer is actually paid for a good compared to the minimum amount they would accept for the good.