Miller Company’s contribution format income statement for the most recent month is shown below:Total Per UnitSales (33,000 units) $ 330,000 $ 10.00 Variable expenses 231,000 7.00 Contribution margin 99,000 $ 3.00 Fixed expenses 50,000 Net operating income $ 49,000 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 $1.20 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 $1.20 per unit, fixed expenses increase by $7,000, and the number of units sold decreases by 4%?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 12%?