4 Whirly Corporation's contribution format income statement for the most recent month is shown below: Total Per Unit Sales (7, 500 units ) $ 255, 000 $ 34.00 nts Variable expenses 135, 000 18.00 Contribution margin 120, 000 $ 16 .00 04:16:42 Fixed expenses 55, 000 Net operating income $ 65,000 Skipped Required: eBook (Consider each case independently): Hint 1. What would be the revised net operating income per month if the sales volume increases by 80 units? 2. What would be the revised net operating income per month if the sales volume decreases by 80 units? 3. What would be the revised net operating income per month if the sales volume is 6,500 units? 1 Revised net operating income 2. Revised net operating income 3 Revised net operating income