The diagram illustrates four supply curves W, X, Y and Z. Which statement about the price elasticity of these supply curves is accurate?
- AW has elasticity of 0 that will rise as price rises.
- BX has elasticity greater than 1 that will be constant as price rises.
- CY has elasticity greater than 1 that will fall as price rises.
- DZ has elasticity of 0 that is constant as quantity rises.