If the demand curve is downward-sloping and supply is perfectly elastic,then the burden of an excise tax is:

A) borne entirely by consumers.
B) borne entirely by producers.
C) shared by consumers and producers,with the burden falling mainly on consumers.
D) shared by consumers and producers,with the burden falling mainly on producers.

Perfectly Elastic

This term refers to a situation in demand or supply where the quantity demanded or supplied responds infinitely at a particular price level.

Excise Tax

A type of tax imposed on specific goods, services, or transactions, often with the intent of discouraging their use or consumption, or to raise revenue.

Downward-Sloping

A term typically used in economics to describe a curve or line on a graph that represents a decrease in one variable as another variable increases, often used to describe demand curves.