Nantua Corporation Has Two Divisions,Southern and Northern

Multiple Choice

Nantua Corporation has two divisions,Southern and Northern.The following information was taken from last year's income statement segmented by division: Net operating income last year for Nantua Corporation was $400,000. If the Northern Division's sales last year were $300,000 higher,how would this have changed Nantua's net operating income? (Assume no change in selling prices,variable expenses per unit,or fixed expenses. )

A) $30,000 increase
B) $80,000 increase
C) $120,000 increase
D) $300,000 increase