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Marine, Inc., manufactures a product that is available in both a flexible and a

ID: 2415433 • Letter: M

Question

Marine, Inc., manufactures a product that is available in both a flexible and a rigid model. The company has made the rigid model for years; the flexible model was introduced several years ago to tap a new segment of the market. Since introduction of the flexible model, the company’s profits have steadily declined, and management has become concerned about the accuracy of its costing system. Sales of the flexible model have been increasing rapidly. Overhead is applied to products on the basis of direct labor-hours. At the beginning of the current year, management estimated that $990,000 in overhead costs would be incurred and the company would produce and sell 2,000 units of the flexible model and 10,000 units of the rigid model. The flexible model requires 2.0 hour(s) of direct labor time per unit, and the rigid model requires 1.40 hour(s). Direct materials and labor costs per unit are given below:

Direct materials cost per unit $ 130 (Flexible) $ 75(Rigid)

Direct labor cost per unit $ 25 (Flexible) $ 10(Rigid)

1.a. Compute the predetermined overhead rate using direct labor-hours as the basis for allocating overhead costs to products.

Predetermined Overhead rate --> ?? per DLH

1-b. Compute the unit product cost for one unit of each model.

  Unit Product Cost

Flexible ?

Rigid ?

An intern suggested that the company use activity-based costing to cost its products. A team was formed to investigate this idea. It came back with the recommendation that four activity cost pools be used. These cost pools and their associated activities are listed as follows:

Flexible

Rigid

Total

Compute the activity rate for each of the activity cost pools.

Purchase Orders ? per order

Rework Requests ? per request

Product Testing ? per test

Machine- Related ? per MH

3. Using activity-based costing, do the following:

a.Determine the total amount of overhead that would be assigned to each model for the year.

Total amount overhead

Flexible ?

Rigid ?

b. Compute the unit product cost for one unit of each model. (Do not round intermediate calculations and round your answers to 2 decimal places.)

Unit Product Cost

Flexible ?

Rigid ?

Required:

1.a. Compute the predetermined overhead rate using direct labor-hours as the basis for allocating overhead costs to products.

Predetermined Overhead rate --> ?? per DLH

1-b. Compute the unit product cost for one unit of each model.

  Unit Product Cost

Flexible ?

Rigid ?

2.

An intern suggested that the company use activity-based costing to cost its products. A team was formed to investigate this idea. It came back with the recommendation that four activity cost pools be used. These cost pools and their associated activities are listed as follows:

Expected Activity   Activity Cost Pool and Activity Measure Estimated Overhead Cost

Flexible

Rigid

Total

  Purchase orders (number of orders) $ 24,000     140    260 400      Rework requests (number of requests) 14,000     80    120 200      Product testing (number of tests) 230,000     1,100    900 2,000      Machine related (machine-hours) 722,000     1,300    7,725 9,025    $ 990,000   

Explanation / Answer

1-a. Total budgeted overhead cost = $ 990,000

Total direct labor hours = (2,000 x 2) + ( 10,000 x 1.40 ) = 18,000 hours

Predetermined overhead rate = 990,000 / 18,000 = $ 55 per direct labor hour.

1-b. Unit product cost:

2-a. Activity rate for each activity cost pool:

3a. Total amount of overhead to be assigned to products:

3b. Product cost per unit:

Flexible Rigid Direct material cost per unit $130 $75 Direct labor cost per unit 25 10 Overhead cost per unit 110 77 Product cost per unit $265 $162
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