Which of the Following Statements About Price Elasticity Is False

Which of the following statements about price elasticity is false?

A) Steak is an example of a product that has an elastic demand for most people, because when price goes up quantity demanded goes down proportionally.
B) Elasticity of demand is the relative responsiveness of a change in quantity demanded to changes in price.
C) If marketers can determine price elasticity, then setting prices at optimum levels is much easier.
D) When price is raised on a product that has an inelastic demand, then total revenue will decrease.
E) A product like electricity has an inelastic demand.