Sales Contribution Margin and Contribution Margin Ratio For a recent year, McDonald's (MCD) company-owned restaurants had the following sales and expenses (in millions): $34,500 Food and packaging $(15,175) Payroll (8,700) Occupancy (rent, depreciation, etc.) (4,595) General, selling, and administrative expenses (5,000) $(33,470) Operating income $1,030 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? Jound to the nearest million. (Give answer in millions of dollars.) 4,030 X million b. What is McDonald's contribution margin ratio? 8.56 X % c. How much would operating income increase if same-store sales increased by $2,100 million for the coming year, with no change in the contributio margin ratio or fixed costs? Round your answer to the closest million. million