Miller Company's contribution format income statement for the most recent month is shown below. Sales (41,000 units) Variable expenses Total $ 369,000 246,000 Contribution margin 123,000 Fixed expenses 44,000 Net operating income $ 79,000 Required: Per Unit $ 9.00 6.00 $ 3.00 (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 13% ? 2. What is the revised net operating income if the selling price decreases by $1.20 per unit and the number of units sold increases by 18%? 3. What is the revised net operating income if the selling price increases by $1.20 per unit, fixed expenses increase by $8,000, and the number of units sold decreases by 7%? 4. What is the revised net operating income if the selling price per unit increases by 20%, variable expenses increase by 30 cents per unit, and the number of units sold decreases by 14% ? 1. Net operating income 2. Net operating income 3. Net operating income 4. Net operating income