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

Sales $23,900

Food and packaging $8,135

Payroll 6,000

Occupancy (rent, depreciation, etc.) 5,545

General, selling, and administrative expenses 3,500

$23,180

Income from operations $720

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

a. What is Wicker Company's contribution margin? Round to the nearest million. (Give answer in millions of dollars.)

$ million

b. What is Wicker Company's contribution margin ratio? Round to one decimal place.

%

c. How much would income from operations increase if same-store sales increased by $1,400 million for the coming year, with no change in the contribution margin ratio or fixed costs? Round your answer to the closest million.

$ million