The Kelly Corporation's most recent contribution format income statement is shown below: Total Per unit Sales (20,000 units) $600,000 $30 Variable expenses 360,000 18 Contribution margin 240,000 $ 12 Fixed expenses 195,000 Net operating income $ 45,000 Required: Prepare a new contribution format income statement under each of the following conditions (consider each case independently) (16 pts): a. The sales volume increases by 10% and the price decreases by $3.00 per unit. b. The selling price increases by $4.00 per unit, fixed expenses increase by $20,000, and the sales volume decreases by 20%. c. The selling price increases by 40%, variable expense increases by $5.00 per unit, and the sales volume decreases by 25%. d. The selling price increases by $3.00 per unit, variable cost increases by $5.00 per unit, fixed expenses decrease by $45,000, and sales volume increases by 15%