Which of the Following Statements About Price Elasticity of Demand

Which of the following statements about price elasticity of demand is most accurate?

A) Price elasticity with inelastic demand is less than 1.
B) The more substitutes a product has, the less likely it is to be price elastic.
C) Unitary demand represents the relationship between the cash outlay necessary to purchase a product relative to a person's disposable income.
D) With inelastic demand, reducing price will result in an increase of total revenue.
E) With inelastic demand, reducing price will result in an increase in total revenue, although not necessarily an increase in profit.