SBD Phone Company sells its waterproof phone case for $90 per unit. Fixed costs total $162,000, and variable costs are $36 per unit (1) Determine the contribution margin ratio. per unit Sales Variable cost Contribution margin Contribution margin ratio Contribution margin ratio Choose Denominator: Choose Numerator: Contribution margin ratio /Selling price per unit Contribution margin per unit 0 (2) Determine the break-even point in dollars Break-even point in dollars Choose Denominator: Choose Numerator: Break-even point in dollars Contribution margin ratio Total fixed costs C