Last month, Laredo Company sold 550 units for $75 each. During the month, fixed costs were $5,577 and variable costs were $42 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, Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Compute Laredo's margin of safety in units and as a percentage of sales. (Round your intermediate calculations the nearest whole number. Round your Percentage of Sales answer to 4 decimal places (i.e. 0.123456 should be entered as 12.3456%)). Units Margin of Safety Margin of Safety as Percentage of Sales