Nantor Corporation has two divisions, Southern and Northern. The following information was taken from last year's income statement segmented by division: Sales Contribution margin Divisional segment margin Total Company Southern Northern $5,400,000 $3, 340,000 $2,060,000 $2,350,000 $1,470,000 $ 880,000 $1,270,000 $ 980,000 $ 290,000 Net operating income last year for Nantor Corporation was $540,000. In last year's income statement segmented by division, what were Nantor's total common fixed expenses