Compute the margin of safety in dollars and as a ratio. Margin of safety Margin of safety ratio eTextbook and Media In the month of June, Sheridan Hebert's Beauty Salon gave 4,000 haircuts, shampoos, and hair colorings at an average price of $35. During the month, fixed costs were $17,500 and variable costs were 75% of sales. (a) Your answer is correct. Determine the contribution margin in dollars, per unit and as a ratio. (Round contribution margin per unit to 2 decimal places, es. 5.75.) Contribution margin Unit contribution margin Contribution margin ratio %