Trouse Incorporated has two divisions: the Newark Division and the Sewark Division. The corporation's net operating income is $80,000 The Newark Division's divisional segment margin is $180,000 and the Sewark Division's divisional segment margin is $50,000 What is the amount of the common fixed expense not traceable to the individual divisions? Select one: O a. $150,000.00 o b. $230,000.00 c. $100,000.00 O d. $310,000.00