Contribution Margin and Contribution Margin Ratio For a recent year, McDonald's Company-owned restaurants had the following sales and expenses (in millions): Sales $19,400 Food and packaging $7,366 Payroll 4,900 3,754 Occupancy (rent, depreciation, etc.) General, selling, and administrative expenses 2,800 $18,820 Income from operations $580 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.) $ million b. What is McDonald's contribution margin ratio? % contribution margin ratio c. How much would income from operations increase if same-store sales increased by $1,200 million for the coming year, with no change in or fixed costs? Round your answer to the closest million. million