help please

Miller Company's contribution format income statement for the most recent month is shown below: Sales (45,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 315,000 180,000 135,000 42,000 $ 93,000 Per Unit $ 7.00 4.00 $ 3.00 Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 10%? 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 20%? 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 6%? 4. What is the revised net operating income if the selling price per unit increases by 20%, variable expenses increase by 10 cents per unit, and the number of units sold decreases by 9%? $ 120,000 113,250 $ 1. Not operating income 2. Not operating income 3. Not operating income 4. Net operating income