In June, Wildhorse Salon gave 4,200 haircuts, shampoos, and permanents at an average price of $45. During the month, fixed costs were $45,000 and variable costs were 75% of sales. (a) Your answer is correct 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 0 decimal ploces, es. 5,275. Contribution margin (in dollars) $ Contribution margin (per unit) Contribution margin (ratio) % Your answer is correct. Using the contribution margin technique, compute the break-even sales dollars and sales units. Break-even sales dollars Break-evensales units units Compute the margin of safety doliars and as a ratio. (Round answers to 0 decimal ploces, e 8. 5,275) Margin of safety in dollars Margin of safety ratio %