1 Whirly Corporation's contribution format income statement for the most recent month is shown below: Sales (8,200 units) 25 points Variable expenses Total $ 270,600 147,600 Per Unit Contribution margin 123,000 54,100 $ 33.00 18.00 $ 15.00 Net operating income $ 68,900 eBook Required: Fixed expenses Hint (Consider each case independently): 1. What would be the revised net operating income per month if the sales volume increases by 40 units? 2. What would be the revised net operating income per month if the sales volume decreases by 40 units? 3. What would be the revised net operating income per month if the sales volume is 7,200 units? Print 1. Revised net operating income $ 68,550 2. Revised net operating income $ 67,650 References 3. Revised net operating income. $ 53,100