In June, Sandhill Salon gave 3,500 haircuts, shampoos, and permanents at an average price of $45. During the month, fixed costs were $33,750 and variable costs were 75% of sales. Determine the contribution margin in dollars, per unit, and as a ratio. (Round per unit value to 2 decimal places, e.g. 52.75 and final answer to O decimal places, e.g. 5,275.) Contribution margin (in dollars) Contribution margin (per unit) Contribution margin (ratio) EA $ LA $ % Using the contribution margin technique, compute the break-even sales dollars and sales units. Break-even sales dollars Break-even sales units $ units Compute the margin of safety dollars and as a ratio. (Round answers to O decimal places, e.g. 5,275.) Margin of safety in dollars $ Margin of safety ratio %