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	$5,500,000	$3,400,000	$2,100,000
Contribution margin	$2,400,000	$1,500,000	$900,000
Divisional segment margin	$1,300,000	$1,000,000	$300,000

Net operating income last year for Nantua Corporation was $550,000.

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

$750,000

$1,100,000

$1,850,000

$2,050,000