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 34.000 desk tamps produced annually follows. $255,000 Direet materials Direct Labor Fabricating department (7.500 DLE $19 per pum Assembly department (16,200 DE $26 poy ) Machine hours Tableating department Assembly department $142,500 9421,200 14.200 M 21,250 M Expected overhead cost and related data for the two production departments follow. Direct labox hours Machine hour Overhead con l'abrienting 210.000 300.000 L 163,000 MB 112,000 MH $360,000 $425,000 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 ratos from requirement 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. Required 2 > 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 Unito produced Manufacturing cost per unit 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) Departmental overhead rate MH Fabricating Assembly DLH Required 1 Required 2 Required 3 Required 4 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