Help Corbel Corporation has two divisions: Division A and Division B. Last month, the company reported a contribution margin of $41,300 for Division A Division B had a contibution margin ratio of 40% and the sales were $242,000 Net operating income for the company was $29,300 and traceable fixed expenses were $53,400 Corbel Corporation's common flied expenses were Muse Chace O O $55,400 $1400 SOLADD