McDonald's sells their Quarter Pounder with cheese Combo for $8.79. The cost for packaging, paper products, etc. is $4.5. The food product cost is $2.99, and the labor cost for the kitchen staff to make one combo is $0.75. Micky D's has fixed costs as a company of $95,975,000. Answer the following questions: A. What is McDonald's variable cost for one combo? B. What is McDonald's contribution for the combo? C. How many combos does McDonald's have to sell to break even? D. How much profit does McDonald's make on the next combo that they sell after breaking even?