Condensed monthly operating income data for Cosmo Inc. for November is presented below. Additional information regarding Cosmo's operations follows the statement. Total Mall Store Town Store Sales $ 200,000 $ 80,000 $ 120,000 Variable expenses 116,000 32,000 84,000 Contribution margin 84,000 48,000 36,000 Traceable fixed expenses 60,000 20,000 40,000 Store segment margin 24,000 28,000 (4,000) Common fixed expenses 10,000 4,000 6,000 Net operating income (loss) $ 14,000 $ 24,000 $ (10,000) Other information