Exercise 18-10 a-b (Video) In the month of March, Carla Vista Salon services 630 clients at an average price of $160. During the month, fixed costs were $29,952 and variable costs were 60% of sales. Determine the total contribution margin in dollars, the per unit contribution margin, and the contribution margin ratio. Contribution margin in dollars Contribution margin per unit Contribution margin ratio % LINK TO TEXT LINK TO TEXT VIDEO: SIMILAR EXERCISE (b) Using the contribution margin technique, compute the break-even point in dollars and in units. Break-even sales Break-even sales units