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:In the diagram below, the curve which represents…In the theory of production and cost, the average…For a firm to break even in the long run; the…In the firm's production process, marginal cost?If the short-run cost curve of a firm is U-shaped;…SEE ALSO An adverse environmental impact of the petroleum industry on the economy is?