Darby Corp. is considering the use of activity-based costing. The following information is provided for the production of two product lines:

Activity Cost Allocation Base

Setup \( 105,000 Number of setups

Machine maintenance 60,000 Number of machine hours

Total indirect manufacturing costs \) 165,000

Product A Product B Total

Direct labor hours 7,000 5,000 12,000

Number of setups 30 170 200

Number of machine hours 1,600 2,400 4,000

Darby plans to produce 375 units of Product A and 250 units of Product B. Compute the ABC indirect manufacturing cost per unit for each product.

Short Answer

Expert verified

Per unit indirect cost

For Product A: $106

For Product B: $501

Step by step solution

01

Calculation of predetermined rates

predeterminedrateforsetup=totalsetupcosttotalnumberofsetups=$105,000200=$525

predeterminedrateformachinemaintenance=totalmachinemaintenancecosttotalnumberofmachinehour=$60,0004000=$15

02

Calculation of per unit indirect cost for Product A

setupcostforproductA=predeterminedrateforsetup×no.ofsetupsrequiredforproducA=$525×30=$15,750

maintenancecostforproductA=predeterminedrateforsetup×no.ofmachinehourrequired=$15×1600=$24,000

totalindirectcostforproductA=setupcost+machinemaintenancecost=$15,750+$24,000=$39,750

perunitindirectcostforproductA=Totalindirectcostno.ofunitsproduced=$39,750375=$106

03

Calculation of per unit indirect cost for Product B

setupcostforproductB=predeterminedrateforsetup×no.ofsetupsrequiredforproducB=$525×170=$89,250

maintenancecostforproductB=predeterminedrateforsetup×no.ofmachinehourrequired=$15×2400=$36,000

totalindirectcostforproductB=setupcost+machinemaintenancecost=$89,250+$36,000=$125,250

perunitindirectcostforproductB=Totalindirectcostno.ofunitsproduced=$125,250250=$501

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Most popular questions from this chapter

Activity-based costing requires four steps. List the four steps in the order they are performed.

Question:Oscar, Inc. manufactures bookcases and uses an activity-based costing system. Oscar’s activity areas and related data follow:

Activity

Budgeted Cost of Activity

Allocation Base

Predetermined Overhead Allocation Rate

Materials handling

\( 240,000

Number of parts

\)1.00

Assembly

3,500,000

Number of assembling direct labor hours

17.00

Finishing

190,000

Number of finished units*

4.50

*Refers to number of units receiving the finishing activity, not the number of units transferred to Finished Goods Inventory

Oscar produced two styles of bookcases in October: the standard bookcase and an unfinished bookcase, which has fewer parts and requires no finishing. The totals for quantities, direct materials costs, and other data follow:

Product

Total Units Produced

Total Direct materials Costs

Total Direct Labor Costs

Total Number of Parts

Total Assembling Direct Labor Hours

Standard bookcase

7,000

\(91,000

\)105,000

28,000

10,500

Unfinished bookcase

7,500

82,500

75,000

22,500

7,500

Requirements

4. What price should Oscar’s managers set for unfinished bookcases to earn a net profit of $19 per bookcase?

Eason Company manufactures wheel rims. The controller expects the following ABC allocation rates for 2018:

Activity Allocation Base Predetermined Overhead

Allocation Rate

Materials handling Number of parts $ 4.00 per part

Machine setup Number of setups 400.00 per setup

Insertion of parts Number of parts 26.00 per part

Finishing Number of finishing hours 90.00 per hour

Eason produces two wheel rim models: standard and deluxe. Expected data for 2018 are as follows:

Standard Deluxe

Parts per rim 4.0 7.0

Setups per 500 rims 18.0 18.0

Finishing hours per rim 1.0 5.5

Total direct hours per rim 5.0 6.0

The company expects to produce 500 units of each model during the year.

Requirements

2. Prior to 2018, Eason used a single plantwide overhead allocation rate system with direct labor hours as the allocation base. Compute the predetermined overhead allocation rate based on direct labor hours for 2018. Use this rate to determine the estimated indirect manufacturing cost per wheel rim for each model, to the nearest cent.


Darrel & Co. makes electronic components. Chris Darrel, the president, recently instructed Vice President Jim Bruegger to develop a total quality control program. “If we don’t at least match the quality improvements our competitors are making,” he told Bruegger, “we’ll soon be out of business.” Bruegger began by listing various “costs of quality” that Darrel incurs. The first six items that came to mind were:

a. Costs incurred by Darrel customer representatives traveling to customer sites to repair defective products, \(13,000.

b. Lost profits from lost sales due to reputation for less-than-perfect products, \)35,000.

c. Costs of inspecting components in one of Darrel’s production processes, \(40,000.

d. Salaries of engineers who are redesigning components to withstand electrical overloads, \)65,000.

e. Costs of reworking defective components after discovery by company inspectors, \(50,000.

f. Costs of electronic components returned by customers, \)70,000.

Classify each item as a prevention cost, an appraisal cost, an internal failure cost, or an external failure cost. Then determine the total cost of quality by category.

Harris Systems specializes in servers for workgroup, e-commerce, and ERP applications. The company’s original job costing system has two direct cost categories: direct materials and direct labor. Overhead is allocated to jobs at the single rate of \(22 per direct labor hour.

A task force headed by Harris’s CFO recently designed an ABC system with four activities. The ABC system retains the current system’s two direct cost categories. Overhead costs are reflected in the four activities. Pertinent data follow:

___________________________________________________________________

Activity Allocation Base Predetermined Overhead

Allocation Rate____

Materials handling Number of parts \) 0.85

Machine setup Number of setups 500.00

Assembling Number of assembling hours 80.00

Shipping Number of shipments 1,500.00_______

Harris Systems has been awarded two new contracts, which will be produced as Job A and Job B. Budget data relating to the contracts follow:

____________________________________________________________

Job A Job B__

Number of parts 15,000 2,000

Number of setups 6 4

Number of assembling hours 1,500 200

Number of shipments 1 1

Total direct labor hours 8,000 600

Number of units produced 100 10

Direct materials cost \( 220,000 \) 30,000

Direct labor cost \( 160,000 \) 12,000__

Requirements

3. Which costing system more accurately assigns to jobs the costs of the resources consumed to produce them? Explain.

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