Chapter 6 HW Exercises O 1 Print Saved Whirly Corporation's contribution format income statement for the most recent month is shown below. Sales (7,000 units) Variable expenses Contribution margin Fixed expenses Total $ 249,600 Per Unit $32.00 156,000 20.00 93,600 12.00 55,800 37,000 Net operating income Required: (Consider each case independently): 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 6,800 units? 1. Revised net operating income 2. Revised net operating income 3. Revised net operating Income