Problem 5-22 (Algo) CVP Applications; Contribution Margin Ratio; Break-Even Analysis; Cost Structure [LO5-1, LO5-3, LO5-4, LO5-5, LO5-6] 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: Sales (12,600 units x $20 per unit) Variable expenses Contribution margin Fixed expenses Net operating loss $ 252,000 151,200 100,800 112,800 $ (12,000)