. Help Save& Exit Check my Laval produces lamps and home lighting fixtures. ts most popular product is a brushed aluminum desk lamp. This lamp is made from components shaped in the fabricating department and assembled in the assembly department. Information related to the 33,000 des lamps produced annually follows Direct materials Direct labor $265,000 Fabricating department(5,500 DLH $35 per DLH) Assembly department (16,600 DLH $24 per DLH) $192,500 $398,400 Machine hours Fabricating department Assenbly department 14,800 NH 21,150 Expected overhead cost and related data for the two production departments follow. Direct labor hours Machine hours Overhead cost Fabricating Assenbly 140,000 DLH 370,000 DLH 165,000 ME 129,000 MR 400,000 430,000 Required 1. Determine the plantwide overhead rate for Laval using direct labor hours as a base. 2. Determine the total manufacturing cost per unit for the aluminum desk lamp using the plantwide overhead rate 3. Compute departmental overhead rates based on machine hours in the fabricating department and direct labor hours in the assembly department 4. Use departmental overhead rates from requirement 3 to determine the total manufacturing cost per unit for the aluminum desk lamps