-Refer to Figure 5 -4

-Refer to Figure 5 -4. Which of the following statements is true about the price elasticity of demand?

A) At the midpoint of the demand curve, the elasticity coefficient is zero.
B) The elastic portion of a straight -line downward sloping demand curve corresponds to the segment above the midpoint.
C) The inelastic portion of the demand curve corresponds to the segment above the midpoint.
D) The elasticity coefficient is constant along the demand curve.