The diagram below shows selected cost and revenue curves for a firm in a monopolistically competitive industry.

FIGURE 11-5
Refer to Figure 11-5. Which of the following best describes this industry if all firms have the same cost and revenue curves and are producing output of q0?
◦ Firms are incurring losses, and firms will exit this industry.
◦ Firms are earning zero profits, and there is no incentive for firms to enter or leave the industry.
◦ All firms are earning positive profits, and there is no incentive for firms to enter or exit the industry.
◦ All firms will try to minimize costs and move toward minimum LRAC.
◦ Firms are earning positive profits, and new firms will enter the industry until all firms are operating at their minimum LRAC.