Exercise 18-10 (Part Level Submission) In the month of March, Style Salon services 630 clients at an average price of 160. During the month, fixed costs were $ 27,156 and variable costs were 61 % of sales. (a) Determine the contribution margin in dollars, per unit, and as a ratio. (Round answers to O decimal places, e.g. 1,225.) Contribution margin Contribution margin per unit s Contribution margin ratio