Douglas Fur is a small manufacturer of fake-fur boots in Philadelphia. The following table shows the company's total cost of production at various production quantities. Fill in the remaining cells of the table. Quantity Total Cost Marginal Cost Fixed Cost Variable Cost Average Variable Cost Average Total Cost (Pairs) (Dollars) (Dollars) (Dollars) (Dollars) (Dollars per pair) (Dollars per pair) 0 60 60 — — 100 1 160 60 2 220 50 3 270 70 4 340 110 5 450 180 6 630.