MacNeil Company's most recent contribution format income statement is show below: Sales (40,000 units) Variable Expenses Contribution Margin Fixed Expenses Operating Income Total $800,000 $520,000 $280,000 $120,000 $160,000 Per Unit $20 $13 $7 Prepare a new contribution format income statement under each of the following conditions (consider each case independently): 1. The number of units sold increase by 25%. 2. The selling price decreases by $2 per unit and the number of units sold increase by 30% 3. The selling price increases by $2 per unit and the fixed expenses increase by $35,000 and the number of units sold decrease by 15%. 4. Variable expenses increase by 75 cents per unit, the selling price increases by 20% and the number of units sold decreases by 5%.