Contribution Margin Ratio, Variable Cost Ratio, Break-Even Sales Revenue The controller of Ashton Company prepared the following projected income statement: Sales $88,000 Total Variable cost 68,640 Contribution margin $19,360 Total Fixed cost 9,680 Operating income $9,680 Required: 1. Calculate the contribution margin ratio. % 2. Calculate the variable cost ratio. 96 3. Calculate the break-even sales revenue for Ashton. Ashton 4. How could Ashton increase projected operating income without increasing the total sales revenue