Laval produces lamps and home lighting fixtures. Its 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 20,000 desk lamps produced annually follows. $ 260,000 Direct materials Direct labor Fabricating department (5,500 DLH X $26 per DLH) Assembly department (16,000 DLH X $26 per DLH) Machine hours Fabricating department Assembly department $ 143,000 $416,000 14,800 MH 20,900 MH Expected overhead cost and related data for the two production departments follow. Direct labor hours Machine hours Overhead cost FabricatingAssembly 190,000 DLH 300,000 DLH 166,000 MH 133,000 MH $320,000 $435,000 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. Determine the plantwide overhead rate for Laval using direct labor hours as a base. Determine the total manufacturing cost per unit for the aluminum desk lamp using the plantwide overhead rate. Total manufacturing costs Units produced Manufacturing cost per unit Compute departmental overhead rates based on machine hours in the fabricating department and direct labor hours in the assembly department. (Round your answers to 2 decimal places.) Departmental overhead rate Fabricating Assembly DLH Use departmental overhead rates from requirement 3 to determine the total manufacturing cost per unit for the aluminum desk lamps. Direct labor Overhead per unit