Required: 1. Determine the unit contribution margin and contribution margin ratio. 2. Calculate the break-even point in units and sales dollars. 3. Compute Jackson's margin of safety in units and as a percentage of sales. Determine the unit contribution margin and contribution margin ratio. Required: 1. Determine the unit contribution margin and contribution margin ratio. 2. Calculate the break-even point in units and sales dollars. 3. Compute Jackson's margin of safety in units and as a percentage of sales. Calculate the break-even point in units and sales dollars. Note: Round your answers to the nearest whole number. Required: 1. Determine the unit contribution margin and contribution margin ratio. 2. Calculate the break-even point in units and sales dollars. 3. Compute Jackson's margin of safety in units and as a percentage of sales. Compute Jackson's margin of safety in units and as a percentage of sales. Note: Round your intermediate calculations to the nearest whole number. Round your final percentage of sales answers to 2 decimal places (i.e., 0.1234 should be entered as 12.34)