lauder co. produced and sold 10000 units in 2018. the total sales for the year were 1000000, variable costs are 65% of sales, and had fixed costs of 280000. Determine: (a) contribution margin [b] units, (b) the breakeven in units: [b] units, (c) breakeven in sales dollars [c], (d) lauder co. wants a target profit of 245000. calculate how many units they would need to sell to achieve this target profit [d] units, (e) margin of safety in in dollars: [e], (f) the operating level [f]