Multiple Versus Single Overhead Rates, Activity Drivers Deoro Company has identified the following overhead activities, costs, and activity drivers for the coming year: Activity Expected Cost Activity Driver Activity Capacity Setting up equipment $548,080 Number of setups 680 Ordering costs 313,200 Number of orders 17,400 Machine costs 939,400 Machine hours 42,700 Receiving 343,000 Receiving hours 9,800 Deoro produces two models of dishwashers with the following expected prime costs and activity demands: Model A Model B
Direct materials $600,000 $800,000
Direct labor $480,000 $480,000
Units completed 16,000 8,000
Direct labor hours 6,000 2,000
Number of setups 400 200
Number of orders 6,000 12,000
Machine hours 24,000 18,000
Receiving hours 3,000 7,000
The company's normal activity is 8,000 direct labor hours.
Required:
1. Determine the unit cost for each model using direct labor hours to apply overhead.
Unit Cost
Model A $
Model B $
2. Determine the unit cost for each model using the four activity drivers. Round your answers to nearest cent.
Unit Cost
Model A $
Model B $
3. Which method produces the more accurate cost assignment?

Deoro Company

1. Unit cost using direct labor hours to apply overhead:

Unit Cost

Model A $167.985

Model B $226.99

2. Unit cost using the four activity drivers:

Unit Cost

Model A $133.97  

Model B $287.28

3. Activity-based costing method always produces the more accurate cost assignment.

Explanation:

a) Data and Calculations:

Activity                    Expected Cost      Activity Driver    Activity Capacity

Setting up equipment   $548,080       Number of setups          680

Ordering costs                 313,200        Number of orders     17,400

Machine costs                 939,400        Machine hours         42,700

Receiving                         343,000        Receiving hours         9,800

Total overhead costs $2,142,680

Activity Rates:

Setting up equipment   $806 per setup ($548,080/680)

Ordering costs              $18 per order ($313,200/17,400)

Machine costs              $22 per machine hour ($939,400/42,700)

Receiving                     $35 per receiving hour ($343,000/9,800)

                                    Model A            Model B

Direct materials        $600,000          $800,000

Direct labor               $480,000          $480,000

Overhead applied  $1,063,500        $1,018,200

Total costs              $2,143,500      $2,298,200

Units completed            16,000               8,000

Cost per unit                $133.97         $287.275

Direct labor hours          6,000               2,000

Number of setups             400                  200

Number of orders          6,000             12,000

Machine hours             24,000             18,000

Receiving hours             3,000               7,000

The company's normal activity is 8,000 direct labor hours.

Assignment of overhead costs:

                                        Model A                               Model B

Number of setups         $322,500 (400 * $806)    $161,200 (200 * $806)

Number of orders            108,000 (6,000 * $18)      216,000 (12,000 * $18)

Machine hours                528,000 (24,000 * $22)  396,000 (18,000 * $22)

Receiving hours               105,000 (3,000 * $35)    245,000 (7,000 * $35)

Total overhead applied $1,063,500                    $1,018,200

Overhead based on direct labor hours:

Total overhead costs = $2,143,680

Total direct labor hours = 8,000 (6,000 + 2,000)

Overhead rate per DLH = $267.96

Allocation of overhead:

                                    Model A                           Model B

Direct labor hours          6,000                            2,000

Overhead (DLH) $1,607,760 ($267.96 *6,000) $535,920 ($267.96  * 2,000)

                                    Model A            Model B

Direct materials        $600,000          $800,000

Direct labor               $480,000          $480,000

Overhead applied  $1,607,760          $535,920

Total costs             $2,687,760        $1,815,920

Units completed           16,000                8,000

Cost per unit            $167.985            $226.99

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