EXTRA CREDIT Quаntity (gаllоns) Tоtаl Cоst (dollars) Variable Cost (dollars) 0 200 0 10 280 80 20 400 200 30 560 360 40 760 560 50 1,000 800 60 1,320 1,120 The table shows the short-run cost data of a perfectly competitive firm that produces paint . Assume that output can only be increased in batches of 10 gallons. What is the fixed cost of production?