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L return total last year for $180 each. variable [ll. vauan the sold 29,000 units erelo uni 2. Sift + loo 1,40 costs per unit were 5445 for direct materials, $143 for direct labor and $19 for variable overhead. Fixed costs were $23,000 in manufacturing overhead and $139,000 in non manufacturing costs. A. what is total contribution margin Total P. It sales increase condroun # by 5,000 units margin by how muen B. what is the unit will profits coronnutin inerean C protits li neresel erese C. what is the contributi margin ration unit contribuan margin # contribution marain ratio 1% #