Miller Company's contribution format income statement for the most recent month is shown below: $ Sales (31,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Total 186,000 93,000 93,000 49,000 44,000 Per Unit $ 6.00 3.00 $ 3.00 $ Required: (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 20%? 3. What is the revised net operating income if the selling price increases by $1.40 per unit, fixed expenses increase by $7,000, and the number of units sold decreases by 6%? 4. What is the revised net operating income if the selling price per unit increases by 20%, variable expenses increase by 20 cents per unit, and the number of units sold decreases by 10%? 56,090: 1. Net operating income: $ 2. Net operating income 3. Net operating income 4. Net operating income