Last month, Laredo Company sold 650 units for $125 each. During the month, fixed costs were $8,850 and vartable costs were $75 per unit: Required: 1. Determine the unit contribution margin and contribution margin ratio 2. Cakculate 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