Exercise 19-2 (Part Level Submission) In the month of June, Jose Hebert's Beauty Salon gave 4,500 haircuts, shampoos, and permanents at an average price of $30. During the month, fixed costs were $16,500 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 s Contribution margin ratio