For a Perfectly Competitive Rancher in Wyoming,if the Price Does

Multiple Choice

For a perfectly competitive rancher in Wyoming,if the price does not change,an economic profit could turn into an economic loss if the

A) average total cost curve shifts downward.
B) average total cost curve does not change.
C) average total cost curve shifts upward.
D) marginal cost curve shifts downward.
E) average fixed cost decreases.