Whirly Corporation's contribution format income statement for the most recent month is shown below Total Per Unit Sales (7,600 units) Variable expenses Contribution margin Fixed expenses Net operating income s 250,800 33.00 144.400 19.00 106, 400 14.00 55, 000 51, 400 s Required: (Consider each case independently) 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 6,600 units? Revised net operating income 2. Revised net operating income 3 Revised net operating income