Contribution Margin and Contribution Margin Ratio For a recent year, McDonald's (MCD) company-owned restaurants had the following sales and expenses (in millions): Sales Food and packaging Payroll $18,400 $(5,728) (4,600) Occupancy (rent, depreciation, etc.) (4,822) General, selling, and administrative expenses (2,700) $(17,850) Operating income $550 Assume that the variable costs consist of food and packaging, payroll, and 40% of the general, selling, and administrative expenses. a. What is McDonald's contribution margin? Round to the nearest million. (Give answer in millions of dollars.) 2,730 X million b. What is McDonald's contribution margin ratio? 14.7 X % increased c. How much would operating income increase if same-store sales increased by $1,100 million for the coming year, with no change in the contribution margin ratio or fixed costs? Round your answer to the closest million. 16,170 X million