ast month, Laredo Company sold 470 units for $35 each. During the month, fixed costs were $3,444 and variable costs were $14 per: Required: 1. Determine the unit contribution margin and contribution margin ratio. 2. Calculate the break-even point in units and sales dollars. 3. Compute Laredo's margin of safety in units and as a percentage of sales. Complete this question by entering your answers in the tabs below. Determine the unit contribution margin and contribution margin ratio