Michaels Company segments its income statement into its East and West Divisions. The company’s overall sales, contribution margin ratio, and net operating income are $580,000, 50%, and $29,000, respectively. The West Division’s contribution margin and contribution margin ratio are $172,500 and 75%, respectively. The East Division’s segment margin is $48,000. The company has $69,600 of common fixed costs that cannot be traced to either division.