Miller Company's contribution format income statement for the most recent month is shown below. Sales (38,000 units) Variable expenses Fixed expenses Total $ 304,000 190,000 114,000 49,000 Contribution margin Net operating income. $ 65,000 Required: Per Unit $ 8.00. 5.00 $ 3.00 (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 19% ? 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 22%? 3. What is the revised net operating income if the selling price increases by $1.20 per unit, fixed expenses increase by $6,000, 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 20%, variable expenses increase by 40 cents per unit, and the number of units sold decreases by 10% ?