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Last month, Laredo Company sold 470 units for $35 each. During the month, fixed costs were $3,444 and variable costs were $14 per unit. Required: 1. Determine the unit contribution margin and contribution margin ratio. 2. Calculate the break-even point in units and sales diollars. 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