Whirlpool Corporation's contribution format income statement for the most recent month is shown below: Total Sales (8,000 units) KD 288,000 168,000 120,000 Variable expenses Contribution margin Fixed expenses Net operating income 55,600 KD 64,400 Required: (Consider each case independently): 1. What would be the revised net operating income per month if the sales volume increases by 200 units? Revised Net Operating Income = KD 2. What would be the revised net operating income per month if the sales volume decreases by 300 units? Revised Net Operating Income = KD 3. What would be the revised net operating income per month if the sales volume is 6,000 units? Revised Net Operating Income = KD