Contribution Margin and Contribution Margin Ratio: For a recent year, Mebonald's (MCD) company owned restaturants had the following sales and expenses (in millions): A.sume that the yariable coets 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. (Oive answer in millions of dollarsi) million b. What is McDonald s contribution margin ratio? C. How much would operating incorne increase if same-store saies increased by 51,000 million for the coming year, whth no change in the cantrituition mangin rathe of find corta? Round vour answer to the closest million. million