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	7,700
Operating income	$11,660

Required:

1. Calculate the contribution margin ratio. fill in the blank 1 %

2. Calculate the variable cost ratio. fill in the blank 2 %

3. Calculate the break-even sales revenue for Ashton. $fill in the blank 3

4. How could Ashton increase projected operating income without increasing the total sales revenue?