Contribution Margin and Contribution Margin Ratio For a recent year, McDooley's, a family-owned group of restaurants, had the following sales and expenses: Sales for all restaurants $328,000 Food and paper $132,980 Payroll and employee benefits 78,300 Occupancy and other expenses 25,300 D. Selling general, and administrative expenses 45,300 Other operating expenses 19.680 Net operating expenses (301,760) Operating income (loss) $26,240 Assume that the valable costs consist of food and paper, payroll and employee benefits, and 40% of the selling general, and administrative expenses a. What is McDooley's contribution margina b. What is McDooley's contribution margin ratio7 Round your percentage answer to one decimal place. c. How much would operating income increase if the stores sales increased by $6,000 for the coming year with no change in the contribution marin ratio or fou? Previous NO Payroll and employee benefits 78,500 Occupancy and other expenses 25,300 Selling, general, and administrative expenses 45,300 Other operating expenses 19,680 Net operating expenses (301,760) Operating income (loss) $26,240 Assume that the variable costs consist of food and paper, payrolfand employee benefits, and 40% of the selling, general, and administrative expenses a. What is McDooley's contribution margin b. What is McDooley's contribution margin ratio7 Round your percentage answer to one decimal place. C. How much would operating income increase if the stores sales increased by 56,600 for the coming year with no change in the contribution margin ratio or fixed costs? d. What would have been the operating income or loss for the recent year if sales had been $6,600 more? Previous Nest My Work uses