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

Sales $17,800

Food and packaging $4,606

Payroll $4,500

Occupancy (rent, depreciation, etc.) $5,564

General, selling, and administrative expenses $2,600

Total: $17,270

Income from operations $530

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 $1,100 million for the coming year, with no change in the contribution margin ratio or fixed costs? Round your answer to the closest million. $ million