Which of the following statements is correct for the price elasticity of demand along a linear, downward-sloping demand curve?

A) Price elasticity of demand is constant along the entire curve.
B) Price elasticity of demand varies along the curve, being more elastic at lower prices and less elastic at higher prices.
C) Price elasticity of demand is inversely proportional to the slope of the demand curve.
D) Price elasticity of demand is directly proportional to the slope of the demand curve.