Miller Company's contribution format income statement for the most recent month is shown below: Total Per Unit $9.00 6.00 Sales (42,000 units) Variable expenses Contribution margin Fixed expenses Net operating income $378,000 252,000 126,000 45,000 $ 81,000 3.00 Required: (Consider each case independently) 1, what is the revised net operating income if unit sales increase by 14%? 2. What is the revised net operating income if the selling price decreases by $1.10 per unit and the number of units sold increases by 15%? 3. What is the revised net operating income if the selling price increases by $1.10 per unit, fixed expenses increase by $5,000, and the number of units sold decreases by 4%? 4. what is the revised net operating income if the selling price per unit increases by 10%, variable expenses increase by 20 cents per unit, and the number of units sold decreases by 7%? 1. Net operating income 2. Net operating income 3.Net operating income 4.Net operating income