Answer:
a. $9,338
b. 0.363
Explanation:
a. Contribution Margin = Sales - Variable Cost
Where Sales = $25,700
Variable Cost = Food & Packaging + Payroll + 40% x General, Selling and Administrative expenses
V.C. = 8,982 + 6,500 + 40% * 3,700
V.C = 8,982 + 6,500 + 1,480
= $16,362
Therefore, Contribution Margin = Sales - Variable Cost
= $25,700 - $16,362
=$9,338
b. McDonald's contribution margin ratio = Contribution Margin / Sales
= $9,338 / $25,700
= 0.363