Corbel Corporation has two divisions: Division A and Division B. Last month, the company reported a contribution margin of $44,300 for Division A. Division B had a contribution margin ratio of 40% and its sales were $232,000. Net operating income for the company was $32,600 and traceable fixed expenses were $55,800. Corbel Corporation's common fixed expenses were:

• $48,700

• $55,800

• $104,500

• $137,100