A firm in a purely competitive industry is currently producing 1,000 units per day at a total cost of $450. if the firm produced 800 units per day, its total cost would be $300, and if it produced 500 units per day, its total cost would be $275. what are the firms ATC per unit at these three levels of production? if every firm in this industry has the same cost structure, is the industry in long term competitive equilibrium? From what you know about these firms cost structures what is the highest possible price per unit in long run equilibrium? if the price ends up being the market price and if the normal rate of profit is 10 percent, then what will each firms accounting profit per unit be