Contribution Margin and Contribution Margin Ratio

For a recent year, McDonald's Company-owned restaurants had the following sales and expenses (in millions):

Sales	$20,500
Food and packaging	$6,925
Payroll	5,200
Occupancy (rent, depreciation, etc.)	4,765
General, selling, and administrative expenses	3,000
	$19,890
Income from operations	$610

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.) $ million

B) What is McDonald's contribution margin ratio? %

C) How much would income from operations increase if same-store sales increased by $1,200 million for the coming year, with no change in the contribution margin ratio or fixed costs? Round your answer to the closest million. $ million