Contribution Margin Ratio, Variable Cost Ratio, Break-Even Sales Revenue The controller of Jeong Company prepared the following projected income statement: Requirea: 1. Calculate the contribution margin ratio. Note: Enter as a percent, rounded to the nearest whole number. \%o 2. Calculate the variable cost ratio. Note: Enter as a percent, rounded to the nearest whole number. 3. Caiculate the break-even sales revenue for Jeong. Note: Round your answer to the nearest dollar. 4. How could Jeong increase projected operating income without increasing the total sales revenue