Contribution Margin and Contribution Margin Ratio For a recent year, McDonald's Company-owned restaurants had the following sales and expenses (in millions): Sales $24,600 Food and packaging $10,072 Payroll 6,200 Occupancy (rent, depreciation, etc.) 3,988 General, selling, and administrative expenses 3,600 $23,860 $740 Income from operatione Costs that vary in total dollar amount as the level of activity changes. 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? % c. How much would income from operations increase if same-store sales increased by $1,500 million for the coming year, with no change in the contribution margin ratio or fixed costs? Round your answer to the closest million. million