คําตอบแบบฝึ กหัด SOLUTIONS TO BRIEF EXERCISES BRIEF EXERCISE 4-1 (a) Estimated annual overhead costs = Predetermined overhead rate Expected annual operating activity $1,000,000 = $10 per direct labor hour 100,000 (b) 92,000 direct labor hours X $10 = $920,000 overhead applied (c) If the manufacturing process is complex, then multiple allocation bases can result in more accurate product-cost computations. In such situations, managers need to consider an overhead cost allocation method that uses multiple bases. That method is activitybased costing. BRIEF EXERCISE 4-2 Under ABC, overhead costs are shifted from the high-volume products to the low-volume products. This shift results in more accurate costing for two reasons: 1. Low-volume products often require more special handling, such as more machine setups and inspections, than high-volume products. Thus, the low-volume product frequently is responsible for more overhead costs per unit than is a high-volume product. 2. Assigning overhead using ABC will usually increase the cost per unit for low-volume products. Therefore, a traditional overhead allocation such as direct labor hours is usually a poor cost driver for assigning overhead costs to low-volume products. As a result, for Finney, one of the products (Product RX3) may have been low volume and therefore may have more overhead costs assigned to it under an ABC system. 4-6 Copyright © 2012 John Wiley & Sons, Inc. Weygandt, Managerial Accounting, 6/e, Solutions Manual (For Instructor Use Only) BRIEF EXERCISE 4-3 An appropriate cost driver for each activity is: Activity Cost Driver Materials handling Machine setups Factory machine maintenance Factory supervision Quality control Number of requisitions Number of setups Machine hours used Number of employees Number of inspections BRIEF EXERCISE 4-4 (a) (b) (c) (d) (e) (f) (g) Number of parts or assemblies Number of setups Number of employees Number of inspections Number of purchase orders Machine hours Square footage occupied BRIEF EXERCISE 4-5 Machine setups Machining Inspections $150,000 ÷ 2,500 = $60 per setup $325,000 ÷ 25,000 = $13 per machine hour $ 87,500 ÷ 1,750 = $50 per inspection BRIEF EXERCISE 4-6 Activity Cost Pool Designing Sizing and cutting Stitching and trimming Wrapping and packing Estimated Expected Use of Overhead ÷ Cost Drivers per Activity = $ 450,000 4,000,000 1,440,000 336,000 Copyright © 2012 John Wiley & Sons, Inc. 10,000 designer hours 160,000 machine hours 80,000 labor hours 32,000 finished units Activity-Based Overhead Rates $45.00 per designer hour $25.00 per machine hour $18.00 per labor hour $10.50 per finished unit Weygandt, Managerial Accounting, 6/e, Solutions Manual (For Instructor Use Only) 4-7 BRIEF EXERCISE 4-7 Activity Cost Pool Ordering and receiving Etching Soldering Estimated Expected Use of Overhead ÷ Cost Drivers per Activity = $ 90,000 480,000 1,760,000 Cost Drivers 11,000 orders 50,000 machine hours 500,000 labor hours X 12,000 orders 60,000 machine hours 440,000 labor hours Activity-Based Overhead Rates $7.50 per order $8.00 per machine hour $4.00 per labor hour Overhead Total Overhead Rates = Applied $7.50 $ 82,500 $8.00 400,000 $4.00 2,000,000 $2,482,500 BRIEF EXERCISE 4-8 (a) (b) (c) (d) (e) (f) Non-value-added Value-added Non-value-added Non-value-added Non-value-added Value-added BRIEF EXERCISE 4-9 Value-added Activities Hours (1) Designing and drafting (3) On-site supervision (5) Consultation with client 2.5 2.0 1.5 6.0 Non-value-added Activities Hours (2) Staff meetings (4) Lunch (6) Entertaining a prospective client 4-8 Copyright © 2012 John Wiley & Sons, Inc. Weygandt, Managerial Accounting, 6/e, Solutions Manual 1 1 2 4 (For Instructor Use Only) BRIEF EXERCISE 4-10 (a) (b) (c) (d) (e) (f) (g) (h) (i) (j) Batch- or unit-level Unit-level Unit-level Batch- or unit-level Facility-level Batch- or product-level Batch- or product-level Unit-level Facility-level Batch-level BRIEF EXERCISE 4-11 (a) (b) (c) (d) (e) (f) (g) (h) Facility-level Unit-level Product-level Unit-level Batch-level Batch-level Product-level Facility-level BRIEF EXERCISE 4-12 (a) Product design (b) $40,000 = $4,000 per product change 10 Machining $300,000 = $2 per machine hour 150,000 Material handling $100,000 = $1,000 per set up 100 Product design—product-level Machining—unit-level Material handling—batch-level Copyright © 2012 John Wiley & Sons, Inc. Weygandt, Managerial Accounting, 6/e, Solutions Manual (For Instructor Use Only) 4-9 SOLUTIONS TO DO IT! REVIEW EXERCISES DO IT! 4-1 1. 2. 3. 4. 5. True False False True True DO IT! 4-2 (a) Computations of activity-based overhead rates per cost driver: Activity Cost Pools Machine setup Machining Packing Estimated Overhead $ 16,000 110,000 30,000 $156,000 Expected Use of Cost Activity-Based Drivers per Activity Overhead Rates 40 setups $400 per setup 5,000 machine hours $ 22 per machine hr. 500 orders $ 60 per order (b) Assignment of each activity’s overhead cost to products using ABC: BC113 AD908 Expected Activity Cost Pools Machine setup Machining Packing Use of Cost Cost Drivers per Activity-Based Overhead Rates Assigned Product 25 1,000 150 $400 $ 22 $ 60 Total assigned costs Expected Use of Activity-Based Cost Cost Drivers per Overhead Assigned Product Rates $10,000 22,000 9,000 15 4,000 350 $400 $ 22 $ 60 $41,000 $ 6,000 88,000 21,000 $115,000 (c) Computation of overhead cost per unit: Total costs assigned Total units produced Overhead cost per unit 4-10 Copyright © 2012 John Wiley & Sons, Inc. (a) (b) (a) ÷ (b) BC113 $41,000 3,000 $13.67 AD908 $115,000 1,500 $76.67 Weygandt, Managerial Accounting, 6/e, Solutions Manual (For Instructor Use Only) DO IT! 4-2 (Continued) (d) These computations show that the total overhead assigned to Product AD908 is more than two and a half times that assigned to BC113. On a per unit basis, the overhead assigned to AD908 is close to six times that assigned to each BC113. DO IT! 4-3 1. 2. 3. 4. 5. NVA VA NVA VA VA DO IT! 4-4 (a) (b) (c) (d) (e) (f) (g) (h) unit-level product-level facility-level batch-level unit-level batch-level facility-level unit-level Copyright © 2012 John Wiley & Sons, Inc. Weygandt, Managerial Accounting, 6/e, Solutions Manual (For Instructor Use Only) 4-11 SOLUTIONS TO EXERCISES EXERCISE 4-1 (a) Estimated overhead = Predetermined overhead rate Direct labor costs $270,000 = 180% of direct labor cost $50,000 + $100,000 (b) Activity cost pools Machining Machine setup Cost drivers Machine hours Set up hours Estimated overhead $170,000 100,000 Activity-based overhead rates Machining: Machine setup: $170,000 $100,000 = $85 per machine hour = $200 per setup hour 1,000 + 1,000 400 + 100 (c) Traditional costing $50,000 X 180% $100,000 X 180% Standard $90,000 $90,000 Activity-based costing Machining: 1,000 X $85 1,000 X $85 Machine setup: 100 X $200 400 X $200 Copyright © 2012 John Wiley & Sons, Inc. $180,000 $180,000 $85,000 $85,000 20,000 $105,000 4-12 Custom 80,000 $165,000 Weygandt, Managerial Accounting, 6/e, Solutions Manual (For Instructor Use Only) EXERCISE 4-2 (a) Traditional costing system Sales Costs Operating income (b) Product 540X Product 137Y $180,000 55,000 $125,000 $160,000 50,000 $110,000 Product 249S $70,000 15,000 $55,000 Activity-based costing system Sales Costs Operating income (c) Product 540X: Product 540X Product 137Y $180,000 50,000 $130,000 $160,000 35,000 $125,000 Product 249S $70,000 35,000 $35,000 ($130,000 – $125,000) ÷ $125,000 = 4.00% Product 137Y ($125,000 – $110,000) ÷ $110,000 = 13.64% Product 249S ($35,000 – $55,000) ÷ $55,000 = (36.36%) (d) These costs are similar probably because the cost drivers are essentially the same; that is, they are based on a unit volume concept. Copyright © 2012 John Wiley & Sons, Inc. Weygandt, Managerial Accounting, 6/e, Solutions Manual (For Instructor Use Only) 4-13 EXERCISE 4-3 (a) Cost drivers Activity cost pools Cutting Machine hours Design Number of setups Activity-based overhead rates Cutting $360,000 = $1.80 per machine hour 200,000 Estimated overhead $360,000 630,000 Design $630,000 = $420 per setup 1,500 Wool Activity-based costing Cutting 100,000 X $1.80 100,000 X $1.80 $180,000 $180,000 Design 1,000 X $420 500 X $420 Total cost allocated (b) 420,000 210,000 $390,000 $600,000 Estimated overhead = $990,000 Direct labors hours 450,000 = $2.20 per direct labor hour Wool Traditional costing 225,000 X $2.20 225,000 X $2.20 Cotton Cotton $495,000 $495,000 The wool product line is allocated $105,000 ($600,000 – $495,000) more overhead cost when an activity-based costing system is used. As a result, the cotton product line is allocated $105,000 ($495,000 – $390,000) less. 4-14 Copyright © 2012 John Wiley & Sons, Inc. Weygandt, Managerial Accounting, 6/e, Solutions Manual (For Instructor Use Only) EXERCISE 4-4 (a) Direct labor hours for car wheels (40,000 X 1) = 40,000 Direct labor hours for truck wheels (10,000 X 3) = 30,000 Total direct labor hours 70,000 $770,000 (total estimated overhead) 70,000 (total direct labor hours) = $11 per direct labor hour. Overhead assigned Car wheels Truck wheels Total overhead (b) Activity Cost Pool Estimated Overhead Setting up machines Assembling Inspection $220,000 280,000 270,000 (c) Activity Cost Pools Setting up machines Assembling Inspection Total cost assigned Copyright © 2012 John Wiley & Sons, Inc. = $440,000 = 330,000 $770,000 (40,000 X $11) (30,000 X $11) Expected ABC Use of Overhead ÷ Cost Drivers = Rate 1,000 70,000 1,200 $220 $ 4 $225 Car Wheels Activity-Based Expected Use Overhead of Cost Driver Rates = per Product X 200 40,000 100 $220 $ 4 $225 Weygandt, Managerial Accounting, 6/e, Solutions Manual Cost Assigned $ 44,000 160,000 22,500 $226,500 (For Instructor Use Only) 4-15 EXERCISE 4-4 (Continued) (c) Activity Cost Pools Truck Wheels Activity-Based Expected use Overhead of Cost Driver Rates = per Product X Setting up machines Assembling Inspection Total cost assigned (d) 4-16 800 30,000 1,100 $220 $ 4 $225 Cost Assigned $176,000 120,000 247,500 $543,500 Assuming that the cost drivers are a reasonable representation of what is occurring in the two product lines, it seems appropriate to switch to activity-based costing. By using this system, more accurate cost information is developed which should lead to better allocation of resources and pricing decisions in the future. Copyright © 2012 John Wiley & Sons, Inc. Weygandt, Managerial Accounting, 6/e, Solutions Manual (For Instructor Use Only) EXERCISE 4-5 (a) Activity Cost Pools Scheduling and travel Setup time Supervision Estimated Overhead $105,000 $ 70,000 $ 60,000 Expected use ÷ of Cost Drivers = ABC Overhead Rates 1,500 $ 70.00 700 $100.00 $400,000* $ .15 *$100,000 + $300,000 Commercial Activity Cost Pools Scheduling and travel Setup time Supervision Total assigned costs Expected use of Cost Drivers per Product 1,000 450 $100,000 X ABC Overhead Rates = $ 70.00 $100.00 $ .15 Cost Assigned $ 70,000 45,000 15,000 $130,000 Residential Activity Cost Pools Scheduling and travel Setup time Supervision Total assigned costs Expected use of Cost Drivers per Product 500 250 $300,000 (b) Revenues Direct material costs Direct labor costs Overhead costs Operating income (loss) (c) X ABC Overhead Rates = $ 70.00 $100.00 $ .15 Commercial $300,000 $ 30,000 100,000 130,000 260,000 $ 40,000 Cost Assigned $ 35,000 25,000 45,000 $105,000 Residential $480,000 $ 50,000 300,000 105,000 455,000 $ 25,000 Assuming that the cost drivers are a reasonable representation of what is occurring in the two product lines, it seems appropriate to switch to activity-based costing. By using this system, more accurate cost information is developed which should lead to better allocations of resources and more informative pricing decisions in the future. Copyright © 2012 John Wiley & Sons, Inc. Weygandt, Managerial Accounting, 6/e, Solutions Manual (For Instructor Use Only) 4-17 EXERCISE 4-6 (a) Traditional costing: $260,000 ÷ 2,500 (800 + 1,700) hours = $104 per direct labor hour (1) One mobile safe: 800 hours X $104 = $83,200 $83,200 ÷ 200 = $416 each (2) One walk-in safe: 1,700 hours X $104 = $176,800 $176,800 ÷ 50 = $3,536 each (b) Activity-based costing: (1) Material handling costs $160,000 ÷ 500 (300 + 200) moves = $320 per move (a) One mobile safe: 300 moves X $320 = $96,000 $96,000 ÷ 200 = $480 each (b) One walk-in safe: 200 moves X $320 = $64,000 $64,000 ÷ 50 = $1,280 each (2) Purchasing activity costs $100,000 ÷ 800 (450 + 350) orders = $125 per order (a) One mobile safe: 450 orders X $125 = $56,250 $56,250 ÷ 200 = $281.25 each (b) One walk-in safe: 350 orders X $125 = $43,750 $43,750 ÷ 50 = $875 each 4-18 Copyright © 2012 John Wiley & Sons, Inc. Weygandt, Managerial Accounting, 6/e, Solutions Manual (For Instructor Use Only) EXERCISE 4-6 (Continued) (c) The total amount of overhead allocated to each unit of the two products under the two allocation approaches is: Mobile safe Walk-in safe Traditional Costing Activity-Based Costing $ 416 $3,536 ** $761.25** $ 2,155** **$480 + $281.25 **$1,280 + $875 EXERCISE 4-7 The following activities might be identified at Quik Prints Company from your analysis of its operations and a discussion with the owner-manager, Terry Morton. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. Hiring and training personnel Purchasing supplies and materials Selling, promoting, and marketing Billing and collecting Designing Offset printing Copying Faxing Collating Cutting and folding Maintenance and repairs Delivery Accounting Copyright © 2012 John Wiley & Sons, Inc. Weygandt, Managerial Accounting, 6/e, Solutions Manual (For Instructor Use Only) 4-19 EXERCISE 4-8 Budgeted Costs Activity Cost Pool Cost Driver Engineering design Engineering prototypes Engineering Engineering hours Depreciation, machinery Electricity, machinery Machinery Machine hours Machine setup Number of setups Inspections Tests Quality control Number of tests or inspections Depreciation, plant Insurance, plant Property taxes Oil, heating Electricity, plant lighting Factory utilities Square feet or Machine hours Machine maintenance wages Maintenance Machine setup, indirect labor Machine setup, indirect materials Number of machines or Machine hours EXERCISE 4-9 The following cost drivers might be used to assign overhead: 1. 2. 3. 4. 5. 6. 7. 8. 4-20 Labor hours Labor hours Labor hours Gallons of chemicals Number of cartfuls or labor hours Number of cartfuls Gallons of juice Gallons of juice Copyright © 2012 John Wiley & Sons, Inc. 9. 10. 11. 12. 13. 14. 15. Gallons of wine or months of aging Number of bottles Number of bottles Number of boxes Number of shipments Number of gallons processed Number of gallons processed Weygandt, Managerial Accounting, 6/e, Solutions Manual (For Instructor Use Only) EXERCISE 4-10 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. Number of engineering change orders; hours of designing Number of orders processed Number of parts in stock Weight of material; number of boxes or cartons Employee turnover; number of employees hired Machine hours; direct labor hours Number of employees; number of parts; direct labor hours Number of employees Book or market value of assets Cost of goods manufactured, direct labor hours; number of employees Machine hours; number of machines Gallons of paint; number of appliances EXERCISE 4-11 (a) The overhead rates are: Expected Use Estimated of Cost Drivers Activity-Based Overhead ÷ per Activity = Overhead Rates Activity Cost Pools Materials handling Machine setups Quality inspections $40,000 27,500 27,000 1,000 500 600 $40 55 45 (b) The assignment of the overhead costs to products is as follows: Instruments Gauges Cost Driver Number Cost Number Cost 400 $16,000 Requisitions ($40) 600 $24,000 11,000 Machine setups ($55) 200 300 16,500 200 9,000 Inspections ($45) 400 18,000 Total costs assigned (a) $36,000 $58,500 Units produced (b) Overhead cost per Unit (a) ÷ (b) Copyright © 2012 John Wiley & Sons, Inc. 50 $ 720 Weygandt, Managerial Accounting, 6/e, Solutions Manual Cost Assigned $40,000 27,500 27,000 $94,500 300 $ 195 (For Instructor Use Only) 4-21 EXERCISE 4-11 (Continued) (c) MEMO To: President, Major Instrument, Inc. From: Student Re: Benefits of activity-based costing (ABC) ABC focuses on the activities performed in producing a product. Overhead costs are assigned to products based on cost drivers that measure the activities performed on the product. The primary benefit of ABC is more accurate and meaningful product costing. This improved cost data can lead to reduced costs as managers become more aware of the underlying causes of cost incurrence. Thus, control over costs is enhanced. The improved cost data should also lead to better management decisions. More accurate product costing should contribute to setting selling prices which will help achieve desired profitability levels. In addition, it should be helpful in deciding whether to make or buy a product part or component, and sometimes even whether to eliminate a product. 4-22 Copyright © 2012 John Wiley & Sons, Inc. Weygandt, Managerial Accounting, 6/e, Solutions Manual (For Instructor Use Only) EXERCISE 4-12 (a) (1) Traditional product costing system: $400,000 X .70 = $280,000 Selling costs assigned in March to the “high intensity” product line. (2) Activity-based costing system: Activity Cost Pools Sales commissions Advertising—TV/Radio Advertising—Newspaper Catalogs Cost of catalog sales Credit and collection Total assigned cost for March ActivityBased Cost Drivers Overhead Overhead Cost Used X Rates = Assigned $900,000 250 2,000 60,000 9,000 $900,000 $.05 $300 $10 $2.50 $1.00 $.03 $ 45,000 75,000 20,000 150,000 9,000 27,000 $326,000 (b) As compared to ABC, traditional costing grossly undercosts the selling costs assigned to the “high intensity” product line. The difference of $46,000 ($326,000 – $280,000) in the month of March is a 14.1% understatement. (c) All six activities, as selling activities, are non-value-added activities. Copyright © 2012 John Wiley & Sons, Inc. Weygandt, Managerial Accounting, 6/e, Solutions Manual (For Instructor Use Only) 4-23 EXERCISE 4-13 (a) 1. Traditional product costing system: Quality-control overhead costs assigned in June to the low-calorie dessert line are $11,050 ($65,000 X .17). 2. Activity-based costing system: ActivityBased Cost Drivers Overhead Overhead Cost Used X Rate = Assigned Activity Cost Pools Inspections of material received In-process inspections FDA certification Total assigned cost for June 6,000 10,000 420 $ .80 $ .33 $12.00 $ 4,800 3,300 5,040 $13,140 (b) As compared to ABC, the traditional costing system undercosts the quality-control overhead cost assigned to the low-calorie dessert product line by $2,090 ($13,140 – $11,050) in the month of June. That is a 15.9% understatement. (c) All three activities, as quality-control related activities, are non-valueadded activities. 4-24 Copyright © 2012 John Wiley & Sons, Inc. Weygandt, Managerial Accounting, 6/e, Solutions Manual (For Instructor Use Only) EXERCISE 4-14 Value-Added Activities Hours Writing contracts and letters Taking depositions Contemplating legal strategy Litigating a case in court Non-Value-Added Activities 1.5 1.0 1.0 2.5 6.0 Hours Attending staff meetings Doing research Traveling to/from court Eating lunch Entertaining a prospective client 0.5 1.0 1.0 1.0 1.5 5.0 Questionable Classifications Writing contracts is value-added; writing letters may be value-added if related to a specific case or it may be non-value-added if it is billing a client or collecting receivables. Research may be value-added if it is unique, related to a specific case, and is billable. Research may be non-value-added if it is something the attorney should already have known and is not billable to the client. Copyright © 2012 John Wiley & Sons, Inc. Weygandt, Managerial Accounting, 6/e, Solutions Manual (For Instructor Use Only) 4-25 EXERCISE 4-15 Activity Cost Pools Activity Level Engineering Machinery Machine setup Quality control Product-level Unit-level Batch-level Depends on frequency. Could be unit, batch, or product-level Facility-level Facility-level Factory utilities Maintenance EXERCISE 4-16 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 4-26 Facility-level activity Product-level activity Batch-level activity Product-level activity Product-level activity Batch-level activity Facility-level activity Batch-level or unit-level activity Unit-level activity Unit-level activity Copyright © 2012 John Wiley & Sons, Inc. Weygandt, Managerial Accounting, 6/e, Solutions Manual (For Instructor Use Only) SOLUTIONS TO PROBLEMS PROBLEM 4-1A (a) Computation of unit costs—traditional costing. Products Manufacturing Costs Home Model Commercial Model $18.50 19.00 * 24.26* $61.76 $26.50 19.00 * 24.26* $69.76 Direct materials Direct labor Overhead Total unit cost *$16.17 X 1.5 = $24.26 (b) Estimated Overhead ÷ Activity Cost Pool Receiving Forming Assembling Testing Painting Packing and shipping $ 70,350 150,500 412,300 51,000 52,580 820,750 $1,557,480 Expected Use of Cost Drivers Activity-Based Overhead Rate = 335,000 Pounds 35,000 Machine hours 217,000 Parts 25,500 Tests 5,258 Gallons 335,000 Pounds $ .21 per pound $ 4.30 per machine hour $ 1.90 per part $ 2.00 per test $10.00 per gallon $ 2.45 per pound (c) Home Model ActivityBased Expected Overhead Cost Use of Drivers X Rates = Assigned Activity Cost Pool 215,000 Receiving 27,000 Forming 165,000 Assembling 15,500 Testing 3,680 Painting 215,000 Packing and shipping Total costs assigned (a) Units produced $ .21 $ 4.30 $ 1.90 $ 2.00 $10.00 $ 2.45 $ 45,150 116,100 313,500 31,000 36,800 526,750 $1,069,300 120,000 8,000 52,000 10,000 1,578 120,000 $ .21 $ 4.30 $ 1.90 $ 2.00 $10.00 $ 2.45 $ 25,200 34,400 98,800 20,000 15,780 294,000 $488,180 54,000 (b) Overhead cost per unit [(a) ÷ (b)] Copyright © 2012 John Wiley & Sons, Inc. Commercial Model ActivityBased Expected Overhead Cost Use of Drivers X Rates = Assigned $ 19.80 Weygandt, Managerial Accounting, 6/e, Solutions Manual 10,200 $ (For Instructor Use Only) 47.86 4-27 PROBLEM 4-1A (Continued) (d) ABC Manufacturing Costs Direct materials Direct labor Overhead Total cost per unit (e) (f) Home Model Commercial Model $18.50 19.00 19.80 $57.30 $26.50 19.00 47.86 $93.36 Activity Value- vs. Non-Value-Added Receiving Forming Assembling Testing Painting Packing and shipping Non-value-added Value-added Value-added Non-value-added Value-added Value-added (1) Activity-based costing shows the commercial model absorbs nearly 21/2 ($47.86 ÷ $19.80) times as much overhead per unit as the home model. (2) The comparison of ABC and traditional costing shows that the proper amount of overhead assigned to the two products is not equal at $24.26 but rather $19.80 for the home model and $47.86 for the commercial model. Under traditional costing, the margin of error on the commercial model was almost 100%, an understatement of $23.60 on an assignment of $24.26. These distorted overhead assignments have likely led to overpricing the home model and underpricing the commercial model. 4-28 Copyright © 2012 John Wiley & Sons, Inc. Weygandt, Managerial Accounting, 6/e, Solutions Manual (For Instructor Use Only) PROBLEM 4-2A (a) The allocation of total manufacturing overhead using activity-based costing is as follows: Overhead Rate Purchase orders @ $30 Machine setups @ $50 Machine hours @ $40 Inspections @ $25 Total assigned costs (a) Royale Drivers Cost Used Assigned Majestic Drivers Cost Used Assigned 17,000 5,000 75,000 11,000 23,000 13,000 45,000 17,000 $ 510,000 250,000 3,000,000 275,000 $4,035,000 Units produced (b) $ 690,000 650,000 1,800,000 425,000 $3,565,000 25,000 Cost per unit (a) ÷ (b) $ Total Overhead $1,200,000 900,000 4,800,000 700,000 $7,600,000 10,000 161.40 $ 356.50 (b) The cost per unit and gross profit of each model under ABC costing were: Royale Majestic Direct materials Direct labor Manufacturing overhead Total cost per unit $ 700.00 120.00 161.40 $ 981.40 $ 420.00 100.00 356.50 $ 876.50 Sales price per unit Cost per unit Gross profit $1,600.00 981.40 $ 618.60 $1,300.00 876.50 $ 423.50 (c) Management’s future plans for the two television models are not sound. Under ABC costing, the Royale model is $195.10 ($618.60 – $423.50) per unit more profitable than the Majestic model. If any product should be phased out, it is the Majestic. But, by applying ABC and activity-based management analysis, Schultz may determine how to reduce the costs of producing the Majestic model. Copyright © 2012 John Wiley & Sons, Inc. Weygandt, Managerial Accounting, 6/e, Solutions Manual (For Instructor Use Only) 4-29
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