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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 22,000 desk lamps produced annually follows.

Direct materials	$	270,000
Direct labor
Fabricating department (6,500 DLH $29 per DLH)	$	188,500
Assembly department (15,200 DLH $26 per DLH)	$	395,200
Machine hours
Fabricating department		15,000	MH
Assembly department		20,450	MH

Expected overhead cost and related data for the two production departments follow.

	Fabricating			Assembly
Direct labor hours		210,000	DLH		290,000	DLH
Machine hours		152,000	MH		124,000	MH
Overhead cost	$	390,000		$	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.

Determine the plantwide overhead rate for Laval using direct labor hours as a base.

1.
	Estimated overhead costs $800,000 $1.60 per direct labor hour Estimated direct labor hours 500,000

2.

Determine the total manufacturing cost per unit for the aluminum desk lamp using the plantwide overhead rate.

	Direct Labor - Assembly $188,500 Direct Labor - Fabricating 395,200 Direct materials 270,000 Overhead 34,720 Total manufacturing costs 888,420 Units produced Manufacturing cost per unit

3.

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 MH Assembly DLH

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 0 Overhead Fabricating Assembly 0 $0 Units produced Manufacturing cost per unit 0 per unit

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