Miller Company's contribution format income statement for the most recent month is shown below: Total Per Unit $ 165,000 66,000 $ 5.00 Sales (33, 000 units) Variable expenses 2.00 $3.00 Contribution margin 99,000 Fixed expenses 41,000 $ 58,000 Net operating income Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 20%? 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 17% 3. What is the revised net operating income if the selling price increases by $1.30 per unit, fixed expenses increase by $8,000, 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 20 cents per unit, and the number of units sold decreases by 7%