In the short-run; a firm marginal cost curve above the point of shut-down is its? By: Sunday|Published on: Oct 29|Categories: Economics JAMB| 0 comments A. demand curve B. supply curve C. cost curve D. supply curve Correct Answer: Option B – supply curve Users Also Read These:Under perfect competition; the short-run supply…The long-run average cost curve touches to the…What accounts for the ‘U-shaped’ of the short-run…In the theory of production and cost, the average…In perfect competition, the marginal cost curve…SEE ALSO Find the mean price of the distribution.Â