Nantor Corporation has two divisions, Southern and Northern. The following information was taken from last year's income statement segmented by division:

Total CompanySouthernNorthernSales$5,400,000$3,340,000$2,060,000Contribution margin$2,350,000$1,470,000$880,000Divisional segment margin$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?