For a recent year, MCDonald's (MCD) company-owned restaurants had the following sales and expenses (in millons): Assume that the variable costr consist of food and paper, payolt, 255 of occupancy and other expenies, and 40 s of the yeneral, seiling, and administrative expenses. a. What is MeDanalds contribution margin? milion b. What is McDonalds contribution margin ratio? Round to one decimal place. c. How much would operating income increase if same-store sules increased by 5800 miltion for the ceming year, min no champe in the cantributon margin ratie or flud ceats? Mound vour answer to the nearest tenth of a million (one decimal place) x mision rowowwer 4. Sales minus tocal variable couts equals controuton margin. b. Contribution margin divided by sales equals contribution margin ratio. c. Multiply the sales increase by the contribution margin percentoge