4. Various measures of cost Douglas Fur is a small manufacturer of fake-fur boots in Miami. The following table shows the company's total cost of production at various production quantities. Fill in the remaining cells of the following 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) 120 200 240 285 340 425 In U 540