1 Whirly Corporation's contribution format income statement for the most recent month is shown below: 2 points Sales (8,500 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 289,000 170,000 119,000 55,300 $ 63,700 Per Unit $ 34.00 20.00 $ 14.00 eBook Required (if you're having trouble figuring out how to approach this problem, see below for a hint): (Consider each case independently): ot Hint 1. What would be the revised net operating income per month if the sales volume increases by 80 units? 2. What would be the revised net operating income per month if the sales volume decreases by 80 units? 3. What would be the revised net operating income per month if the sales volume is 7,500 units? Print 1. Revised net operating income 2. Revised net operating income 3. Revised net operating income References