When demand is perfectly inelastic, the price elasticity of demand approaches infinity, and the demand curve is vertical. is zero, and the demand curve is horizontal. is zero, and the demand curve is vertical. approaches infinity, and the demand curve is horizontal.
When demand is perfectly inelastic,the price elasticity of demand
approaches infinity,and the demand curve is vertical.
is zero,and the demand curve is horizontal
is zero,and the demand curve is vertical
approaches infinity,and the demand curve is horizontal