In the month of March, Marigold Salon services 640 clients at an average price of $180. During the month, fixed costs were $30,780 and variable costs were 70% of sales. (a) Determine the contribution margin in dollars, per unit, and as a ratio. Contribution margin TA Contribution margin per unit $ Contribution margin ratio % Current Attempt in Progress Smith Company produces desk lamps. The information for June indicated that the selling price was $25 per unit, variable costs were $15 per unit, and fixed costs totaled $6,000. Smith currently sells 1,100 lamps and earns $5,000 of profit. How much is Smith's margin of safety in dollars? O $600. O $12.500. O $15.000 O $27.500