BOOK Show Me How Calculator 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 Occupancy (rent, depreciation, etc.) General, selling, and administrative expenses $41,900 $(12,938) (10,600) (11,002) (6,100) $(40,640) Operating income $1,260 Assume that the variable costs consist of food and packaging, payroll, and 40% of the general, selling, and administrative exp a. What is McDonald's contribution margin? Round to the nearest million. (Give answer in millions of dollars.) 18,622 x million b. What is McDonald's contribution margin ratio? 60 X % c. How much would operating income increase if same-store sales increased by $2,500 million for the coming year, with no ch ratio or fixed costs? Round your answer to the closest million. million