Contribubon margin and contribution margin ratio For a recent year, McDonald's (MCD) company-owned restaurants had the following sles and expentes (in millions): Anwume that the varstie costr consist of food and poper, payroll, 25 of occupancy and ceher expensel, and 40 of of the general, seling, and administrative expenses. a. What is Maboniles contribution margin? x milien b. What is Mcoonalos contribution margin ratiat Mound to one decimal place: x=1 C. How much wodd opernting income increase if same-stere sales increased by 5900milish for the coming yeot, whth no change in the controution margin rabo of fised costi? Round your answ mittion (one decimal place). x million F cred Ny wot a. Sales minus total varable costs equalc contribution margin. b. Centribubon margin ovided by sales equals contribution margh ratio. c. Mutbipy the sales increve by the contribution margin percentage