Contribution margin and contribution margin ratio For a recent year, McDonald's (MCD) compsny-owned restaurants had the following sales and expenses (in millions): Assume that the variable costw comsist of food and paper, payroll, 25 w of occugancy and other expenses, and 40\% of the general, saling, and adesinbtrative expensas. 3. What is Mcbonalds contribution margin? milion b. What is Mcoonald's contribution margin ratio? Reund to ene decimal place. c. How much would operating income increase if same-store sales increased by 1900 mikion for the coming year, whah no chasge in the contritution margin ratio ar fixed costs? Round vour anawer to the nearest tenth of a mililon (one decimal place). milion Break-even sales and sales to realire operating income For the current year ended March 31, Kadel Campany expects fixed costs of $571,300, a urit variable cost of $60, and a unit selling price of $89. a. Compute the anticipated breakeven sales (units). units b. Compute the sales (units) requifed to realive operating income of 5130,500 . units