Current Attempt in Progress Assume sales of $14700, variable costs of $8000, and fixed costs of $2200. Calculate contribution margin and operating income. Contribution margin = $12500; Operating income = $4500 Contribution margin - $13400; Operating income - $4500 Contribution margin = $6700; Operating income - $4500 Contribution margin = $8900; Operating income = $4500 Save for Later Attempts: 0 of 1 used Submit