Miller Company's contribution format income statement for the most recent month is shown below: Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 12% ? 2 What is the revised net operating income if the selling pilce decreases by $1.40 per unit and the number of units sold increases by 1958 ? 3. What is the revised net operating income if the seillng price incieases by $1.40 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 30 cents per unit, and the number of units sold decreases by 12%