In June, Cullumber Salon gave 4,600 haircuts, shampoos, and permanents at an average price of $50. During the month, fixed costs were $34,000 and variable costs were 80% of sales. (a) Your answer has been saved. See score details after the due date. 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 decimal places, e.g. 5,275.) Contribution margin (in dollars) $ 46000 Contribution margin (per unit) 10 Contribution margin (ratio) 20 Attempts: 1 of 1 used (b) Using the contribution margin technique, compute the break-even sales dollars and sales units. Break-even sales dollars $ Break-even sales units units