In June, Blossom Salon gave 4,800 haircuts, shampoos, and permanents at an average price of $50. During the month, fixed costs were $43,000 and variable costs were 80% of sales. (a) Determine the contribution margin in dollars, per unit, and as a ratio. (Round per unit volue to 2 decimol ploces, es. 52.75 and final answer to 0 decimal places, es. 5,275.) Contribution margin (in dollars) $ Contribution margin (per unit) Contribution margin (ratio) % 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 0 decimal places, e.s. 5.275.) Margin of satety in dollars $ Margin of safety ratio %