In the month of June, Carla Vista Hebert's Beauty Salon gave 3,000 haircuts, shampoos, and hair colorings at an average price of $50. During the month, fixed costs were $16,500 and variable costs were 80% of sales. Determine the contribution margin in dollars, per unit and as a ratio, (Round contribution margin per unit to 2 decimal places. e.g. 5.75.) Contribution margin Unit contribution margin Contribution margin ratio \% Compute the margin of safety in dollars and as a ratio. Margin of safety Margin of safety ratio %