Suppose both a monopolist and a perfectly competitive firm charge a price corresponding to the quantity at the intersection of the marginal cost and marginal revenue curves If this price is between each firm's average variable cost and average total cost curves, O's. the perfectly competitive firm will continue to operate in the short run but the monopolist will shut down. O b both firma will continue to operate in the short run c the perfectly competitive firm will continue to operate in spite of the loss but the monopolist will earn a profit Q a both firms will shut down in the short run