Contribution margin: (a) in revenue remaining after deducting variable costs. (b)may be expressed as unit contribution margin. (c) is selling price less cost of goods sold. (d) Both (a) and (b) above. Zion Seating Co.. a manufacturer of chairs, had the following data for 2017. Sales 2, 400 units Sales price $40 per unit Variable costs $15 per unit Fixed costs $19, 500 INSTRUCTIONS (a) What is the contribution margin ratio? (b) What is the break-even point in dollars? CVP Analysis does not consider (a) Variable cost per unit (b) Fixed cost per unit (c) Sales pet unit (d) Contribution margin per unit What is the theory of constraints? The degree of operating leverage: (a) can be computed dividing total contribution margin by net income. (b) provide a measure of the company's earnings volatility. (c) affects a company's break-even point. (d) All of the answer choices are correct. Fixed manufacturing overhead costs are recognized as: (a) period costs under absorption costing. (b) product casts under absorption costs. (c) product coat under variable costing. (d) part of coding inventory costs under both absorption and variable costing