the red is incorrect ,please give me the right answer and calculation process

Exercise 19-2 In the month of June, Jose Hebert's Beauty Salon gave 3,500 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. X Your answer is incorrect. Try again. 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 mara 63,000 Contribution margin per unit 12 Contribution margin ratio