In the month of June, Jose Hebert's Beauty Salon gave 3,900 haircuts, shampoos, and permanents at an average price of $40. During the month, fixed costs were $. 16,800 and variable costs were 75% of sales. Determine the contribution margin in dollars, per unit and as a ratio. (Round contribution margin per unit and contribution margin ratio to 2 decimal places, e.g. 5.25 & 10.50.) Contribution margin Contribution margin per unit Contribution margin ratio Using the contribution margin technique, compute the break-even point in dollars and in units. (Round answers to O decimal places, e.g. 1,225.) Break-even point Break-even point units Compute the margin of safety in dollars and as a ratio. (Round answers to O decimal places, e.g. 1,225.) Margin of safety Margin of safety ratio