Marginal utility
Total utility
Consumers surplus
Producer surplus
✅ The correct answer is B.
The total area under the demand curve of good measures total utility. The demand curve itself shows the utility each consumer will get from buying the good, and the price paid is the cost for getting that utility.
The total area under the demand curve of good measures total utility. The demand curve itself shows the utility each consumer will get from buying the good, and the price paid is the cost for getting that utility.