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 35,000 desk lamps produced annually follows. Direct materials Direct labor $260,000 Fabricating department (6,500 DLH x $32 per DLH) Assembly department (16,600 DLH x $21 per DLH) $208,000 $348,600 Machine hours Fabricating department Assembly department 15,300 MH 20,650 MH Expected overhead cost and related data for the two production departments follow. Direct labor hours Machine hours Overhead cost Fabricating 170,000 DLH 163,000 MH $320,000 Assembly 380,000 DLH 130,000 MH $410,000 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. Required 1 Required 2 Required 3 Required 4 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 MH 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