2.75 pts A Corporation operates in two sales territories, West and Midwest. Data concerning last year's operations appear below: West Midwest Sales $320,000 $80,000 Variable expenses 208,000 56,000 Contribution margin 112,000 24,000 Traceable fixed expenses 82,000 30,000 Common fixed expenses 35,000 25,000 (allocated) NOI $(5,000) $(31,000) If operations in the West Sales Territory would have been discontinued at the beginning of last year, how would this have changed the net operating income of the Corporation as a whole? $31,000 increase. $5,000 increase. $20,000 decrease. $30,000 decrease.