in June, Oriole Salon gave 3,000 haircuts, shampoos, and permanents at an average price of $50. During the month, fixed costs were $25,000 and variable costs were 80% of sales. (a) Determine the contribution margin in dollars, per unit, and as a ratio. (Round per unit value to 2 decimal ploces, e.8: 52.75 and final answer to 0 decimol places, e.3. 5.275.) Contribution margin (in dollars) Contribution margin (per unit) Contribution margin (ratio) Determine the contribution margin in dollars, per unit, and as a ratio. (Round per unit value to 2 decimal places, e.8. 52.75 and final answer to 0 decimal places, e.g. 5,275.) Contribution margin (in dollars) Contribution margin (per unit) Contribution margin (ratio) %