Contribution Margin and Controution Margin Ratjo For a recent year, Mcoooley's, a tamly-owned group of restaurants, had the following sales and expenses: Assume thot the variable casts consist of food and poper, payroll and employee benefits, and sow of the seling, general, and administrative expenses. 7. What is Meoosiey's controwion margin? 1 b. What is McDooley's contritution mergin ratio? Round vour percentage answer to one decimal piace. 1 d. What would have been the operating incorne or lows for the recent year if sales had been $6,500 more