Larkspur Company has three departments. Data for the most recent year is presented below: L B M $1,940 640 $1,100 280 $368 180 Sales Variable expenses Fixed expenses: Unavoidable Avoidable 430 240 6 530 600 300 Compute the operating income of the company. Operating income Compute the contribution margin and operating income of each department. (Enter negative amounts using either a negative sign preceding the number e.g. -45 or parentheses e.g. (45).) Departments Contribution margin Operating income / loss M $ L A B $ Should any department(s) be eliminated? Which one(s)? should be eliminated