ontribution 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 $274,000 Food and paper $102,960 Payroll and employee benefits 65,500 Occupancy and other expenses 29,380 Selling, general, and administrative expenses 37,800 Other operating expenses 16,440 Net operating expenses (252,080) Operating income (loss) $21,920 Assume that the variable 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 margin? $fill in the blank 1

b. What is McDooley's contribution margin ratio? Round your percentage answer to one decimal place. fill in the blank 2 %

c. How much would operating income increase if the stores sales increased by $5,500 for the coming year, with no change in the contribution margin ratio or fixed costs? $fill in the blank 3

d. What would have been the operating income or loss for the recent year if sales had been $5,500 more? $fill in the blank 4