Contribution Margin and Contribution Margin Rato For a recent year, McDonald's (MCD) company-owned restaurants had the following sales and expenses (in millions) Sales Feed and packaging Payro $21,000 $7,893) (5,500) (4,647) General, selling, and adminstrative expenses (3,200) (21,240) $660 Occupancy (rent, depreciation, etc.) Operating income Assume that the verishes consist of food and packaging, payroll, and 40% of the general, selling, and administrative expenses What is McDonald's contribution margin? Round to the nearest million. (Give answer in millions of dollars.) b. What is McDonald's contribution margin ratio? How much would operating income increase & same-store sales increased by $1,300 milion for the coming yeer, with no change in the contribution margin ratio or that costs? Round your answer to the closest million.