Return to question Whirly Corporation's contribution format income statement for the most recent month is shown below: Variable expenses Sales (8,100 units) Total $ 283,500 145,800 Per Unit $ 35.00 18.00 Contribution margin 137,700 $ 17.00 55,500 Fixed expenses Net operating income Required: (Consider each case independently): $ 82,200 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 7,100 units? Answer is complete but not entirely correct. 1. Revised net operating income $ 83,330 2. Revised net operating income $ 80,270 3. Revised net operating income $ 64,800