Verkamp Corporation has two divisions: the YDI Division and the QCC Division. The corporation's net operating income is $31,800. The YDI Division's divisional segment margin is $111,800 and the QCC Division's divisional segment margin is $152,800. What is the amount of the common fixed expense not traceable to the individual divisions?
a. $143,600
b. $184,600
c. $264,600
d. $232,800