In the short-run; a firm marginal cost curve above the point of shut-down is its? by Sunday | Oct 29 | 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:In perfect competition, the marginal cost curve…In the theory of production and cost, the average…In the diagram below, the curve which represents…The diagram shows the total utility curve. At the…If the short-run cost curve of a firm is U-shaped;…