In June, Pharoah Salon gave 3,100 haircuts, shampoos, and permanents at an average price of $40. During the month, fixed costs were $26,040 and variable costs were 70% of sales. (a) Your answer is correct. Determine the contribution margin in dollars, per unit, and as a ratio. (Round per unit value to 2 decimal places, e.g. 52.75 and final answer to O decimal places, e.g. 5,275.) Contribution margin (in dollars) Contribution margin (per unit) Contribution margin (ratio) A 37200 12 30 30 %