Refer to the Demand Schedule and Possible Supply Schedules, A-D

Multiple Choice

Refer to the demand schedule and possible supply schedules, A-D. Suppose that the supply of a resource is given by the schedule that exhibits a zero price elasticity. If demand for the resource increases from the original demand schedule by 20 units at each price, then the equilibrium economic rent would be

A) $4.
B) $3.
C) $2.
D) $1.