A community health center has assembled the following data cost and volume. Calculate its average and marginal costs for volumes ranging from 25 to 40. What patterns do you see? Visits Total Cost 20 $2200 25 $2250 30 $2300 35 $2350 40 $2400 Resident Costs 80 $10,000 100 $11,000 120 $12,000 140 $13,000