In the month of March, Style Salon services 620 clients at an average price of $140. During the month, fixed costs were $24, 360 and variable costs were 60% of sales. (a) Determine the contribution margin in dollars, per unit, and as a ratio. Contribution margin $ Contribution margin per unit $ Contribution margin ratio % (b) Using the contribution margin technique, compute the break-even point in dollars and in units. Break-even sales $ Break-even sales units