Sales	$36,200
Food and packaging	$(12,310)
Payroll	(9,100)
Occupancy (rent, depreciation, etc.)	(8,400)
General, selling, and administrative expenses	(5,300)
	$(35,110)
Operating income	$1,090

Assume that the variable costs consist of food and packaging, payroll, and 40% of the general, selling, and administrative expenses.

a. What is McDonald's contribution margin? Round to the nearest million. (Give answer in millions of dollars.) $fill in the blank 1 million

b. What is McDonald's contribution margin ratio? fill in the blank 2 %

c. How much would operating income increase if same-store sales increased by $2,200 million for the coming year, with no change in the contribution margin ratio or fixed costs? Round your answer to the closest million. $fill in the blank 3 million