Shown here is an income statement in the traditional format for a firm with a sales volume of 10,000 units. Cost formulas also are shown:

Revenues	$ 50,000
Cost of goods sold ($9,000 + $2.60/unit)	35,000
Gross profit	$ 15,000
Operating expenses:
Selling ($2,300 + $0.15/unit)	3,800
Administrative ($4,700 + $0.25/unit)	7,200
Operating income	$ 4,000

Required:

Refer to your answer to part a for total revenues of $50,000. Calculate the firms operating income (or loss) if unit selling price and variable expenses per unit do not change and total revenues

Increase $15,000.

Refer to your answer to part a for total revenues of $50,000. Calculate the firm's operating income (or loss) if unit selling price and variable expenses per unit do not change and total revenues increase by $15,000.

Refer to your answer to part a for total revenues of $50,000. Calculate the firm's operating income (or loss) if unit selling price and variable expenses per unit do not change and total revenues increase by $15,000.

Operating income correct

$6,250 incorrect