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

	Total Company	Southern	Northern
Sales	$5,700,000	$3,520,000	$2,180,000
Contribution margin	$2,500,000	$1,560,000	$940,000
Divisional segment margin	$1,360,000	$1,040,000	$320,000

Net operating income last year for Nantua Corporation was $570,000.

In last year's income statement segmented by division, what were Nantua's total common fixed expenses?

	$790,000
	$1,140,000
	$1,930,000
	$2,150,000