Costs 105-1205-4 Miller Company's contribution format income statement for the most recent month is shown Law Total Per Unit Sales (20,000 units) Variable expenses Contribution margin Fixed expenses Not operating income $300,000 180,000 120,000 70,000 $ 50,000 $15.00 9.00 $ 6.00 Required: (Consider each case independently): 1 What is the revised net operating income unit sales increase by 15 2 What is the revised not operating income in the selling price decreases by $1.50 per unit and the number of units sold increase by 3 What is the revised not operating income the selling price increases by $1.50 per unit, fixed expenses increase by $20,000 and the number of units old decreases by 5% 4 What is the revised net operating income the selling price per unit increases by 12 Variable expenses increase by cents per unit and the number of units sold decreases by 10