EXERCISE 5-13 Using a Contribution Format Income Statement [L05-1, LO5-4) Miller Company's most recent contribution format income statement is shown below: Total Per Unit Variable expenses . Contribution margin Fixed expenses Net operating income. .. . 180,000 $15.00 70,000 50,000 Required: Prepare a new contribution format income statement under each of the following conditions (con- sider each case independently): 1 The number of units sold increases by 15%. 2 The selling price decreases by $1.50 per unit, and the number of units sold increases by 25%. 3. The selling price increases by S1.50 per unit, fixed expenses increase by $20.000, and the number of units sold decreases by 5%. The selling price increases by 12%, variable expenses increase by 60 cents per unit, and the number of units sold decreases by 10%. 4