For a recent year, McDonald's (MCD) company-owned restaurants had the following sales and expenses (in millions):

For a recent year, McDonald's (MCD) company-owned restaurants had the following sales and expenses (in millions): Sales $14,400 Food and packaging $(5,496) Payroll (3,600) Occupancy (rent, depreciation, etc.) (2,774) General, selling, and administrative expenses (2,100) $(13,970) Operating Income $430 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.) x million b. What is McDonald's contribution margin ratio? c. How much would operating income increase if same-store sales increased by $900 million for the coming year, with no change in the contribution margin ratio or fixed costs? Round your answer to the closest million x million Feedback