Miller Company's contribution format income statement for the most recent month is shown below: Sales (38,000 units) Total $ 190,000 76,000 Per Unit $ 5.00 Variable expenses Contribution margin Fixed expenses Net operating income Required: 114,000 2.00 $ 3.00 43,000 $ 71,000 (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 $1.40 per unit and the number of units sold increases by 23%7 3. What is the revised net operating income if the selling price increases by $1.40 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 40 cents per unit, and the number of units sold decreases by 9% ? 1. Net operating income 2. Not operating income