The controller of Ashton Company prepared the following projected income statement: Sales $88,000 Total variable cost 23,760 Contribution margin $64,240 Total fixed cost 43,800 Operating income $20,440 Required: 1. Calculate the contribution margin ratio. Note: Enter as a percent, rounded to the nearest whole number. 2. Calculate the variable cost ratio. Note: Enter as a percent, rounded to the nearest whole number. 3. Calculate the break-even sales revenue for Ashton. Note: Round your answer to the nearest dollar. 4. How could Ashton increase projected operating income without increasing the total sales revenue