1 Whirly Corporation's contribution format income statement for the most recent month is shown below: Total Per Unit 10 points Sales (8,900 units) Variable expenses Contribution margin Fixed expenses $ 302,600 178,000 $ 34.00 20.00 124,600 $ 14.00 55,900 eBook Net operating income $ 68,700 Hint Required: Print References (Consider each case independently): 1. What would be the revised net operating income per month if the sales volume increases by 60 units? 2. What would be the revised net operating income per month if the sales volume decreases by 60 units? 3. What would be the revised net operating income per month if the sales volume is 7,900 units? 1. Revised net operating income 2. Revised net operating income $ $ 69,540 67,860 3. Revised net operating income Check my work