Whirly Corporation's contribution format income statement for the most recent month is shown below: Total Per Unit 171,000 19.00 117,000 13.00 55,000 Sales (9,000 units) Variable expenses Contribution margin Pixed expenses Net operating income s 288,000 32.00 62,000 Required: (Consider each case independenty): 1. What would be the revised net operating income per month if the sales volume increases by 50 units? 2. What would be the revised net operating income per month if the sales volume decreases by 50 units? What would be the revised net operating income per month if the sales volume is 8,000 units? 1. Revised net operating income 2 Revised net operating income 3 Revised net operating income