Whirly Corporation's contribution format income statement for the most recent month is shown below: Sales (8,500 unita) Variable expenses Contribution margin Tixed expenses Net operating income points Total $ 280,500 153,000 127,500 55.900 $ 71,600 Per Unit $ 33.00 18.00 $ 15.00 Required: (Consider each case Independently: 1. What would be the revised net operating income per month if the sales volume increases by 100 units? 2. What would be the revised net operating income per month if the sales volume decreases by 100 units? 3. What would be the revised net operating income per month if the sales volume is 7,500 units? References 1 Revised net operating income 2. Revised net operating income 3 Revised net operating income