Contribution marin and contribution margin ratio For a recent year, McDonald's (MCD) company-owned restaurants had the following salos and expenses (in millions): Assume that the variabie costs conaist of food and paper, payroll, 25% of occupancy and other expenses, and 40% of the general, selling, and administrative expenses. a, What is McDonald's contritution margin? Round to the nearest fenth of a million (one decimal place). million b. What is Mcoenalds contribution margin ratio? Round to one decimal place. C. How much would operating income increase if same-store salies increased by s800 mittion for the corring veas, with no change in the contribution margia ratio or foced costa? decimal place). million