Exercise 17-10 Assigning overhead costs using the plantwide rate and departmental rate methods LO P1, P2 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 24,000 desk lamps produced annually follows. Direct materials Direct labor Fabricating department (9,000 DLH Assembly department (16,200 DLH Machine hours Fabricating department Assembly department $275,000 $33 per DLH) $297,000 $21 per DLH) $340,200 14,100 MH 21,150 Expected overhead cost and related data for the two production departments follow. Direct labor hours Machine hours Overhead cost Fabricating Assembly 120,000 DLH 295,000 DUH 151,000 MH 133,000 $340,000 $445,000 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. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Required 4 Determine the plantwide overhead rate for Laval using direct labor hours as a base. Estimated overhead costs Estimated direct labor hours Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Required 4 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 ces Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Required 4 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.) Fabricating Assembly Departmental overhead rate MH DLH < Required 2 Required 4 > Required 1 Required 2 Required 31 Required 4 Use departmental overhead rates from requirement 3 to determine the total manufacturing cost per unit for the aluminum desk lamps. Direct materials Direct labor Fabricating Assembly Overhead Fabricating Assembly Manufacturing cost per unit 0 0 $ 0 < Required 3 0 per unit Required 4 >