Contribution Margin Ratio, Variable Cost Ratio, Break-Even Sales Revenue The controller of Ashton Company prepared the following projected income statement: Sales Total Variable cost $80,000 65,120 Contribution margin $22,880 Total Fixed cost 9,620 Operating income $13,260 Required: 1. Calculate the contribution margin ratio. 96 2. Calculate the variable cost ratio. % 3. Calculate the break-even sales revenue for Ashton 4. How could Ashton increase projected operating income without increasing the total sales revenue