Break-Even Units and Sales Rusvenue: Margin of Satety . There is no varable selling expense, foxed selling and adrrinistrotive expenses total 340,000 . Hequired: In vour computations that involve the contribution morgin ratio, do not round the ratio. 1. Calculate the break even point in units. units 2. Cilkulate the breakenven pant in sales revenue. 3. Calculate the margin of sadety in units for the coming yeae. units 4. Calculate the margin of safety in sales revenue for the cooming year, 2. Calculate the break-even point in sales revenue. 3. Calculate the margin of safety in units for the coming year. units 4. Calculate the margin of safety in sales revenue for the coming year