Whirly Corporation's contribution format income statement for the most recent month is shown below: 15 points Sales (7,800 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 234,000 148, 280 85, see 54,400 31,480 Per Unit $ 38.ee 19.00 $ 11.ee eBook Hint Requlred: (Consider each case independently): 1. What would be the revised net operating income per month if the sales volume increases by 70 units? 2 What would be the revised net operating income per month if the sales volume decreases by 70 units? 3. What would be the revised net operating income per month if the sales volume is 6,800 units? A Print References Revised net operating income 2. Revised net operating income 3. Revised net operating income