Exercise 18-17 a-d Crane Bucket Co., a manufacturer of rain barrels, had the following data for 2019. Sales Sales price Variable costs Fixed costs 2,040 units $40 per unit $22 per unit $18,360 (a) What is the contribution margin ratio? Contribution margin ratio LINK TO TEXT LINK TO TEXT LINK TO TEXT (b) What is the break-even point in dollars? Break-even points LINK TO TEXT LINK TO TEXT LINK TO TEXT What is the margin of safety in dollars and as a ratio? Margin of safety Margin of safety ratio LINK TO TEXT LINK TO TEXT LINK TO TEXT (d) 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: LINK TO TEXT LINK TO TEXT LINK TO TEXT