6. Firm's Costs 2 Consider the following cost information for a pizzeria: Quantity Total Cost Variable Cost (Dozens of pizzas) (Dollars) (Dollars) 0 300 O 1 350 50 2 390 90 3 420 120 4 450 150 5 490 190 6 540 240 The pizzeria's xed cost is . Complete the third column of the following table by calculating the marginal cost per dozen pizzas using the information on total cost. Then complete the nal column by calculating the marginal cost per dozen pizzas using the information on variable cost. Quantity Total Cost Marginal Cost Variable Cost Marginal Cost Using Total Cost Using Variable Cost (Dozens of pizzas) (Dollars) (Dollars) (Dollars) (Dollars) 0 300 0 1 350 50 2 390 90 3 420 120 4 450 150 5 490 190 6 540 240 True or False: It doesn't matter whether you compute marginal cost using total cost or variable cost. 0 True 0 False