View Pic Current Attempt in Progress In the month of April Avante Salope 2.500 haircuts shampoo, and permanentnost fed costs were 520.000 and variable costs were 75% of (a) a) Determine the contribution marginin dollars per unit and as a ratio Contribution marginin dollars $ Contribution margin locuri Contribution marginaal In the month of April, Avante Salon gave 2.500 haircuts, shampoos, and permanents at an average price of $40. During the month fixed costs were $20,000 and variable costs were 75% of sales (a) (a) Determine the contribution margin in dollars, per unit and as a ratio. $ Contribution margin (in dollars) Contribution margin (per unit) Contribution margin ratio) $