Due to erratic sales of its sole product-a high capacity battery, for laptop computers-PEM, Inc. has been experiencing financial difficulty for some time. The company's contribution format income statement for the most recent month is given below: Total Sales (19,500 units * $30 per unit) $585,000 Variable Costs 409.500 Contribution Margin 175,500 Fixed Costs 180.000 Net Operating Loss $(4,500)