Contribution Margini and Contribution Margin Ratio For a recent year, McDonald's company-owned revtaurants had the following sales and expenses (in millions): mitlice b. What is Mcoonalos contributon margin ratio? Round to one decimal place. c. How moch would income from operations increste if samo-store sales increased by 1500 milion for the coming yeac, with no change in the contribution margin ratio or fixed coita? Mound your aniwer to the nearest tenth of a malion (one decimai place). milion