For a recent year, Wicker Company-owned restaurants had the following sales and expenses (in millions): Sales $16,900 Food and packaging $6,530 Payroll 4,300 Occupancy (rent, depreciation, etc.) 3,060 General, selling, and administrative expenses 2,500 $16,390 Income from operations $510 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 $1,000 million for the coming year, with no change in the contribution margin ratio or fixed costs? Round your answer to the closest million. $ million