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:At the maximum point of the total product curve of a…The relationship between the marginal revenue (MR)…If the short-run cost curve of a firm is U-shaped;…A firm with marginal cost equals to its marginal…In perfect competition, the marginal cost curve…