Whirly Corporation's contribution format income statement for the most recent month is shown below: Sales (8,200 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 262,400 147,600 114,800 55,400 $ 59,400 Per Unit $ 32.00 18.00 $ 14.00 Required: (Consider each case independently): 1. What would be the revised net operating income per month if the sales volume increases by 50 units? 2. What would be the revised net operating income per month if the sales volume decreases by 50 units? 3. What would be the revised net operating income per month if the sales volume is 7,200 units? Answer is complete but not entirely correct. $ 1. Revised net operating income 2. Revised net operating income 3. Revised net operating income $ $ 44.720 57,800 289,800