CES Exercise 18-17 a-d Cullumber Bucket Co., a manufacturer of rain barrels, had the following data for 2019. Sales 2,990 units Sales price $40 per unit Variable costs $20 per unit Fixed costs $35,880 (a) What is the contribution margin ratio? Contribution margin ratio % Study (b) What is the break-even point in dollars? Break-even point What is the margin of safety in dollars and as a ratio? Margin of safety Margin of safety ratio % me: 09:45 AM / Remaining 75 min 5 Contribution margin ratio 50 % What is the break-even point in dollars? Break-even point (c) What is the margin of safety in dollars and as a ratio? Margin of safety kudy Margin of safety ratio If the company wishes to increase its total dollar contribution margin by 30% in 2020, by how much will it need to increase its sales if selling price per unit, variable price per unit and total fixed costs remain constant? Total increase in sales required