Contribution Margin Aatio, Variable Cost Ratio, Break-Even Sales Revenue The controlier of Jeong Company prepared the following projected income statement: 1. Colculate the contribution margin ratio. Notes Enter as a percent, rounded to the nearest whole number. 2. Calculate the variable cost ratio. Notet Enter as a percent, rounded to the nearest whole number. 3. Calculate the breakeven sales revense for Jeong. Notea Mound your answer to the nearest dollar. 4. How could leong increase projected operating income without increasing the total sales rovenue