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Contribution Margin and Contribution Margin Ratio Por a recent year, McDonald's (MCD) company owned restaurants had the following sales and expenses in mon) Sales $23,200 Food and packaging $(9,676) Payroll (5,900) Occupancy (rent, depreciation, etc.) (3,524) General, selling, and administrative expenses (3,400) $22,500) Operating income $700 Assume that the variable costs consist of food and packaging, payroll, and 40% of the general, selling, and administrative expenses .. What is McDonald's contribution margin? Round to the nearest million. Giveawwe in milions of dollars.) million b. What is McDonald's contribution margin ratio? c. How much would operating income increase if same-store sales increased by $1,400 million for the coming year, with no change in the contribution marginator do Round your answer to the closest million. million