The following are three short-run average total cost schedules for the only three possible plant sizes, 1, 2, and 3. Find the long-run average cost schedule and show the result in the second table. Size 1 8888880 60 ATC $1.00 90 85 88 93 1.05 Size 2 Q 20 30 40 50 60 70 Long-Run Q 10 90 ATC $.95 .80 76 79 83 90 Size 3 Q 80 40 so 60 288 70 80 90 ATC $1.00 87 84 .80 95 1.05 AC $