Student ixi O'Neill, Incorporated's income statement for the most recent month is given below. Total Store A Store B $300,000 $100,000 $200,000 192.000 72000 120,000 Variable expenses.. ibution margi..108,000 28,000 80,000 Trace able fixed expenses.. J-76,000 Png2,000 27,000 S 5,000 55,000uta 35 21,000 2000 25.000 Soce4 Segment margin Common fixed expenses Net operating income. For each of the following questions, refer back to the original data. If Store B sales increase by $20,000 with no change in traceable fixed expenses, the overall company net operating income should: A. increase by $2,500 B. increase by $5,000 C increase by $8,000 D increase by $12,000