Contribution Margin and Contribution Margin Ratio For a recent year, McDonald's Company-owned restaurants had the following sales and expenses (in millions): $31,100 Sales Food and packaging $11,237 Payroll 7,800 Occupancy (rent, depreciation, etc.) 6,633 General, selling, and administrative expenses 4,500 $30,170 $930 Income from operations 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.) 7,563 X million b. What is McDonald's contribution margin ratio? 24.3 X% c. How much would income from operations increase if same-store sales increased by $1,900 million for the coming year, with no change in the contribution margin ratio or fixed costs? Round your answer to the closest million. million