Miller Company's contribution format Income statement for the most recent month is shown below. Sales (12,000 units) Variable expenses Contribution margin Fixed expenses Net operating Income Total $ 378,000 252. 126,000 47.ee $ 79,600 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 of the selling price decreases by $1.40 per unit and the number of units sold increases by 24% 3. What is the revised net operating Income If the selling price increases by $1.40 per unit, fixed expenses increase by $9.000, and the number of units sold decreases by 49? 4. What is the revised net operating income if the selling price per unit increases by 20% variable expenses increase by 40 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