Oriale George, the controler of Inca Industries, has prepared an analysis to halp managemant detarmins whather ons of Inca's departmants should be eliminated. The dspartment's contribution margin is $60000. The foxed cxpenses charged to the department total $93000. Of ths fixad expanses, George estimates that $45000 of those expenses would be aliminated if the desartmant were discontinusd. Basad on George's analysis, if the department is aliminated, Inca's ovarall operating income would O decrease by $12000 per year. O decreas by $33000 per year. O increase by $15000 per year. O decrease by $15000 par year.