Miller Company's contribution format income statement for the most recent month is shown below Total Per Unit $10.00 Sales (34,000 units Variable expenses Contribution margin rixed expenses Net operating income $ 340,000 238,000 102,000 42,000 $ 60,000 7.00 $ 3.00 Required: 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 $1.40 per unit and the number of units sold increases by 23%? 3. What is the revised net operating income if the selling price increases by $1.40 per unit, fixed expenses increase by $7,000, and the number of units sold decreases by 3%? 4, what is the revised net operating income if the selling price per unit increases by 10%, variable expenses increase by 40 cents per unit, and the number of units sold decreases by 9%? Net operating income 2. Net operating income 3. Net operating income Net operating income