E6-10 (Static) Calculating Contribution Margin, Contribution Margin Ratio, Margin of Safety [LO 6-2, 6. Last month, Laredo Company sold 450 units for $25 each. During the month, fixed costs were $2,520 and varlable costs were $9 p unit. 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. E6-10 (Static) Calculating Contribution Margin, Contribution Margin Ratio, Margin of Safety [LO 6-2, 6. Last month, Laredo Company sold 450 units for $25 each. During the month, fixed costs were $2,520 and varlable costs were $9 p unit. 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