Corbel Corporation has two divisions: Division A and Division B. Last month, the company reported a contribution margin of $49,700 for Division A. Division B had a contribution margin ratio of 30% and its sales were $262,000. Net operating Income for the company was $33,500 and traceable fixed expenses were $52,500. Corbel Corporation's common fixed expenses were: Multiple Choice $42.300 O O $52,500 O $94.800 $128,300