a. I Cance Company, with a break-even point at $280,00 of sales, has actual sales of $510,000, what is the margin of safety expressed (1) in dollars and (2)s percentage of sales? Round the percentage to the nearest whole number 1. 2. b. If the margin of safety for Canace company was 45%, Mixed costs were $1.915,650, und verloble costs were 55% of sales, what was the amount of actual sales (dollars)? (Hint: Determine the break-even in sales dollars first.) Contribution Margin and Contribution Margin Ratio For a recent year, McDonald's Company-owned restaurants had the following sales and expenses (in millions): Sales $40,600 Food and packaging $16,672 Payroll 10,200 Occupancy (rent, depreciation, etc.) 6,608 General, selling and administrative expenses $39,380 Income from operations $1,220 Assume that the variable costs consist of food and packaging, payroll, and 40% of the peneral, selling and administrative expenses, a. What is McDonald's contribution margin? Round to the nearest milion. (Give answer in millions of dollars) 5,900 million b. What is McDonald's contribution margin ratio? c. How much would income from operations increase if same-store sales increased by $2,400 million for the coming year with no change in the contribution margin ratio or fixed costs? Round your answer to the closest million million