15 points eBook Him Pris QS 21-9 (Static) Contribution margin ratio Viva 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. Contribution margin. References Contribution Margin Ratio Numerator (2) Determine the break-even point in dollars. Numerator: per unit Denominator: N Contribution Margin Ratio Contribution margin ratio - Denominator: Break-Even Point in Dollars" W Break-even point in dollars