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.) Units Break-Even Units Break-Even Sales Dollars Required 1 Required 2 Required 3 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 %