Which One of the Following Illustrates an Inelastic Demand

Multiple Choice

Which one of the following illustrates an inelastic demand?

A) A 10 percent rise in price leads to a 5 percent decrease in quantity demanded.
B) A 10 percent rise in price leads to a 20 percent decrease in quantity demanded.
C) A price elasticity of demand equal to infinity.
D) A price elasticity of demand equal to 1.0.
E) A price elasticity of demand equal to 2.0.