The supply curve found by summing up the short-run supply curves of all of the firms in a perfectly competitive industry is called the:
A.firm's marginal cost curve.
B.short-run market supply curve.
C.interim market supply curve.
D.competitive curve.

Question

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The Answer of The supply curve found by summing up the short-run supply curves of all of the firms in a perfectly competitive industry is called the:
A.firm's marginal cost curve.
B.short-run market supply curve.
C.interim market supply curve.
D.competitive curve.

The Supply Curve Found by Summing Up the Short-Run Supply