In the month of June, Jose Heberts Beauty Salon gave 3,375 haircuts, shampoos, and permanents at an average price of $25. During the month, fixed costs were $16,875 and variable costs were 75% of sales.

Determine the contribution margin in dollars, per unit and as a ratio. Using the contribution margin technique, compute the break-even point in dollars and in units. Compute the margin of safety in dollars and as a ratio.