Miller Companys contribution format income statement for the most recent month is shown below: Total Per Unit Sales (22,200 units) $ 199,800 $ 9.00 Variable expenses 119,880 5.40 Contribution margin 79,920 $ 3.60 Fixed expenses 46,620 Net operating income $ 33,300 Required: (Consider each of the four requirements independently):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 22%? 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 2%? What is the revised net operating income if the selling price per unit increases by 20%, variable expenses increase by 30 cents per unit, and the number of units sold decreases by 11%?