i need help on if the firm makes a profit or not and if it enters the industry. please help i donr know where to start

This Question: 1 pt 40 36 32 28 24 20 16 12 The above figure shows three possible average total cost curves. If all firms in a perfectly competitive industry each have an average total cost curve identical to ATC,, each produce 30 units, and the market price of the good is $16 per unit, then the firms A. incur an economic loss and so some firms exit the industry. O B. make zero economic profit and firms neither enter nor exit the industry. O C. make an economic profit and new firms enter the industry. D. incur an economic loss and so new firms enter the industry. O E. make zero economic profit and so some firms exit the industry