3. The short-run supply curve for a perfectly competitive firm is its:
A. demand curve above its marginal revenue curve
B. marginal revenue curve to the right of its marginal cost curve.
C. marginal cost curve about its average variable cost curve.
D. average total cost curve below its marginal cost curve
A. demand curve above its marginal revenue curve
B. marginal revenue curve to the right of its marginal cost curve.
C. marginal cost curve about its average variable cost curve.
D. average total cost curve below its marginal cost curve