Miller Company's contribution format income statement for the most recent month is shown below: Total Sales (44,000 units) Variable expenses Contribution margin Fixed expenses Net operating income $ 396,000 264,000 132,000 43,000 $ 89,000 Per Unit $ 9.00 6.00 $ 3.00 Required (Consider each case independently) 1. what is the revised net operating income if unit sales increase by 16%? 2. What is the revised net operating income if the selling price decreases by $1.50 per unit and the number of units sold increases by 16%? 3. What is the revised net operating income if the selling price increases by $1.50 per unit, fixed expenses increase by $7,000, and the number of units sold decreases by 2%? 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 7%? 1.Net operating income 2. Net operating income 3. Net operating income 4.Net operating income