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:If the fixed cost of a firm is 800.00 Naira and it's…A body of mass 2 kg is released from a point 100 m…For a firm to break even in the long run; the…If the short-run cost curve of a firm is U-shaped;…In perfect competition, the marginal cost curve…