Whirly Corporation’s contribution format income statement for the most recent month is shown below: Total Per Unit Sales (8,500 units) $ 263,500 $ 31.00 Variable expenses 161,500 19.00 Contribution margin 102,000 $ 12.00 Fixed expenses 55,200 Net operating income $ 46,800 Required: (Consider each case independently): 1. What would be the revised net operating income per month if the sales volume increases by 50 units? 2. What would be the revised net operating income per month if the sales volume decreases by 50 units? 3. What would be the revised net operating income per month if the sales volume is 7,500 units?

Answer and Explanation:

The calculation of the revised net operating income per month in the following cases:

1. The sales volume increases by 50 units.

Sales revenue (8,550 units × $31) $265,050

Less: Variable expenses (8,550 units × $19) $162,450

Contribution margin $102,600

Less: Fixed expenses $55,200

Net operating income $47,400

2. The sales volume decreases by 50 units.

 Sales revenue (8,450 units × $31) $261,950

Less: Variable expenses (8,450units × $19) $160,550

Contribution margin $101,400

Less: Fixed expenses $55,200

Net operating income $46,200

3. The sales volume is 7,500 units.

 Sales revenue (7,500 units × $31) $232,500

Less: Variable expenses (7,500 units × $19) $142,500

Contribution margin $90,000

Less: Fixed expenses $55,200

Net operating income $34,800