EXERCISE 6-11 Using a Contribution Format Income Statement [L01, L04] Miller Company's most recent contribution format income statement is shown below: Total Per Unit Sales (20,000 units) Variable expenses $300,000 180,000 $15.00 9.00 Contribution margin Fixed expenses. 120,000 70,000 $ 6.00 Net operating income . . $ 50,000 Required: Prepare a new contribution format income statement under each of the following conditions (con- sider each case independently): The number of units sold increases by 15%. 2 4 The selling price decreases by $1.50 per unit, and the number of units sold increases by 25% The selling price increases by $1.50 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%.