Laval produces lighting fixtures. Budgeted information for its two production departments follows. The departments use machine hours $($MH$)$ and direct labor hours $($DLH$).$ Fabricating Assembly

Overhead cost $ $510,000$ $ $588,000$

Direct labor hours $141,000$ DLH $42,000$ DLH

Machine hours $85,000$ MH $79,500$ MH

Laval reports the following for one of its products, a desk lamp.

Number of Units Fabricating DepartLaval produces lighting fixtures. Budgeted information for its two production departments follows. The departments use machine hours

$(MH)$ and direct labor hours $($DLH$).$

Laval reports the following for one of its products, a desk lamp.

Required:

Determine the plantwide overhead rate using $183,000$ direct labor hours as the allocation base.

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

Compute departmental overhead rates based on machine hours in the Fabricating department and direct labor hours in the

Assembly department.

Determine the overhead cost per unit for the desk lamp using the departmental overhead rates.ment Assembly Department

Direct Labor Hours per Unit Machine Hours per Unit Direct Labor Hours per Unit Machine Hours per Unit

Desk lamp $5,0004$ DLH per unit $4$ MH per unit $2$ DLH per unit $0\mathrm{.}6$ MH per unit

Required:

$1.$ Determine the plantwide overhead rate using $183,000$ direct labor hours as the allocation base.

$2.$ Determine the overhead cost per unit for the 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.

$4.$ Determine the overhead cost per unit for the desk lamp using the departmental overhead rates.