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 $7.00contribution 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%?