1. Contribution Margin and Contribution Margin Ratio

   For a recent year, McDonalds (MCD) company-owned restaurants had the following sales and expenses (in millions):

   Sales	$15,295.0
   Food and packaging	$(4,896.9)
   Payroll	(4,134.2)
   Occupancy (rent, depreciation, etc.)	(3,667.7)
   General, selling, and administrative expenses	(2,384.5)
   	$(15,083.3)
   Operating income	$211.7

   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 tenth of a million (one decimal place). $ million

   b. What is McDonald's contribution margin ratio? Round to one decimal place. %

   c. How much would operating income increase if same-store sales increased by $800 million for the coming year, with no change in the contribution margin ratio or fixed costs? Round your answer to the nearest tenth of a million (one decimal place). $ million