Miller Company's contribution format income statement for the most recent month is shown below. Sales (40,000 unita) Variable expenses Contribution margin Tired expenses Het operating income Total $ 200,000 80,000 120,000 46,000 $ 74,000 Per Unit $5.00 2.00 .00 Required: (Consider each case independently 1. What is the revised net operating income if unit sales increase by 15%? 2. What is the revised net operating income if the selling price decreases by $1.30 per unit and the number of units sold increases by 19%? 3. What is the revised net operating income if the selling price increases by $1.30 per unit, fixed expenses increase by $10,000, and the number of units sold decreases by 5%? 4. What is the revised net operating income if the selling price per unit increases by 10%, variable expenses increase by 30 cents per unit, and the number of units sold decreases by 6%? 1. Net operating income 2. Net operating income 3. Net operating income 4. Net operating income