Last month, Laredo Company sold 480 units for $40 each. During the month, fixed costs were $4.290 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 dollars. 3. Compute Laredo's margin of safety in units and as a percentage of sales. Determine the unit contribution margin and contribution margin ratio. (Round your contribution Margin Ratio to the nearest whole percentage.) Unit Contribution Margin Contribution Margin Ratio % Calculate the break-even point in units and sales dollars. (Round your answers to the nearest whole number Break-Even Units Break Even Sales Dollars Units Compute Laredo's margin of safety in units and as a percentage of sales. (Round your intermediate calculations to the nearest whole number. Round your Percentage of Sales answer to 4 decimal places (I.e. 0.123456 should be entered as 12.3456%)).. Margin of Safety Margin of Safety as Percentage of Sales Units %