value: 10.00 points Due to erratic sales of its sole product-a high-capacity battery for laptop computers-PEM, Inc., has been experiencing difficulty for some time. The company's contribution format income statement for the most recent month is given below: Sales (12,700 units x $20 per unit) Variable expenses $254,000 152,400 Contribution margin Fixed expenses 101,600 113,600 Net operating loss $ (12,000)