Grace Corporation has two divisions: Division A and Division B. Last month, the company reported a contribution margin of $42.100 for Division A. Division B had a contribution margin ratio of 35% and its sales were $220,000. Net operating income for the company was $34,200 and traceable fixed expenses were $50,100. Corbel Corporation's common fixed expenses were: Multiple Choice O s24,300 O $50.100 $50,100 o O $3,900 o O $119,100