Miller Company's contribution format income statement for the most recent month is shown below: Per Unit $ 8.00 Total Sales (31,000 units) Variable expenses Contribution margin Fixed expenses Net operating income $ 248,000 155,000 5.00 93,000- 50,000 $ 3.00 $ 43,000 Required (Consider each case independently) 1. what is the revised net operating income if unit sales increase by 12%? 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%? 3. What is the revised net operating income if the selling price increases by $1.40 per unit, fixed expenses increase by $5,000, 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 12%? 1. Net operating income 2. Net operating income 3. Net operating income 4. Net operating income