Philips Sonicare Toothbrush is sold for $17 per unit. Variable manufacturing cost is $5.78 per unit plus a 10% sales commission. Total fixed costs are $160,160 per month Three requirements: a. Compute the contribution margin ratio. b. Compute the break-even sales revenue in the dollar amount. c. What sales revenue is needed to achieve a $123.760 per month profit? a. Compute the contribution margin ratio. 6:45 Contribution Margin % b. Compute the break-even sales revenue in the dollar amount Break Event Sales Revenue c. What sales revenue is needed to achieve a $123,760 per month profit? Prev 1 of 3 Next > 14 SE