Cost15EChapter09Solutions.docx
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Cost15EChapter09Solutions.docx
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Cost15EChapter09Solutions
CHAPTER9
INVENTORYCOSTINGANDCAPACITYANALYSIS
9-1No.Differencesinoperatingincomebetweenvariablecostingandabsorptioncostingareduetoaccountingforfixedmanufacturingcosts.Undervariablecosting,onlyvariablemanufacturingcostsareincludedasinventoriablecosts.Underabsorptioncosting,bothvariableandfixedmanufacturingcostsareincludedasinventoriablecosts.Fixedmarketinganddistributioncostsarenotaccountedfordifferentlyundervariablecostingandabsorptioncosting.
9-2Thetermdirectcostingisamisnomerforvariablecostingfortworeasons:
a.Variablecostingdoesnotincludealldirectcostsasinventoriablecosts.Onlyvariabledirectmanufacturingcostsareincluded.Anyfixeddirectmanufacturingcostsandanydirectnonmanufacturingcosts(eithervariableorfixed)areexcludedfrominventoriablecosts.
b.Variablecostingincludesasinventoriablecostsnotonlydirectmanufacturingcostsbutalsosomeindirectcosts(variableindirectmanufacturingcosts).
9-3No.Thedifferencebetweenabsorptioncostingandvariablecostsisduetoaccountingforfixedmanufacturingcosts.Asserviceormerchandisingcompanieshavenofixedmanufacturingcosts,thesecompaniesdonotmakechoicesbetweenabsorptioncostingandvariablecosting.
9-4Themainissuebetweenvariablecostingandabsorptioncostingisthepropertimingofthereleaseoffixedmanufacturingcostsascostsoftheperiod:
a.atthetimeofincurrence,or
b.atthetimethefinishedunitstowhichthefixedoverheadrelatesaresold.
Variablecostinguses(a)andabsorptioncostinguses(b).
9-5No.Acompanythatmakesavariable-cost/fixed-costdistinctionisnotforcedtouseanyspecificcostingmethod.TheStassenCompanyexampleinthetextofChapter9makesavariable-cost/fixed-costdistinction.Asillustrated,itcanusevariablecosting,absorptioncosting,orthroughputcosting.
Acompanythatdoesnotmakeavariable-cost/fixed-costdistinctioncannotusevariablecostingorthroughputcosting.However,itisnotforcedtoadoptabsorptioncosting.Forinternalreporting,itcould,forexample,classifyallcostsascostsoftheperiodinwhichtheyareincurred.
9-6Variablecostingdoesnotviewfixedcostsasunimportantorirrelevant,butitmaintainsthatthedistinctionbetweenbehaviorsofdifferentcostsiscrucialforcertaindecisions.Theplanningandmanagementoffixedcostsiscritical,irrespectiveofwhatinventorycostingmethodisused.
9-7Underabsorptioncosting,heavyreductionsofinventoryduringtheaccountingperiodmightcombinewithlowproductionandalargeproductionvolumevariance.Thiscombinationcouldresultinloweroperatingincomeeveniftheunitsaleslevelrises.
9-8(a)Thefactorsthataffectthebreakevenpointundervariablecostingare
1.fixed(manufacturingandoperating)costs.
2.contributionmarginperunit.
(b)Thefactorsthataffectthebreakevenpointunderabsorptioncostingare
1.fixed(manufacturingandoperating)costs.
2.contributionmarginperunit.
3.productionlevelinunitsinexcessofbreakevensalesinunits.
4.denominatorlevelchosentosetthefixedmanufacturingcostrate.
9-9Examplesofdysfunctionaldecisionsmanagersmaymaketoincreasereportedoperatingincomeare:
a.Plantmanagersmayswitchproductiontothoseordersthatabsorbthehighestamountoffixedmanufacturingoverhead,irrespectiveofthedemandbycustomers.
b.Plantmanagersmayacceptaparticularordertoincreaseproductioneventhoughanotherplantinthesamecompanyisbettersuitedtohandlethatorder.
c.Plantmanagersmaydefermaintenancebeyondthecurrentperiodtofreeupmoretimeforproduction.
9-10Approachesusedtoreducethenegativeaspectsassociatedwithusingabsorptioncostinginclude:
a.Changetheaccountingsystem:
∙Adopteithervariableorthroughputcosting,bothofwhichreducetheincentivesofmanagerstoproduceforinventory.
∙Adoptaninventoryholdingchargeformanagerswhotieupfundsininventory.
b.Extendthetimeperiodusedtoevaluateperformance.Byevaluatingperformanceoveralongertimeperiod(say,threetofiveyears),theincentivetotakeshort-runactionsthatreducelong-termincomeislessened.
c.Includenonfinancialaswellasfinancialvariablesinthemeasuresusedtoevaluateperformance.
9-11Thetheoreticalcapacityandpracticalcapacitydenominator-levelconceptsemphasizewhataplantcansupply.Thenormalcapacityutilizationandmaster-budgetcapacityutilizationconceptsemphasizewhatcustomersdemandforproductsproducedbyaplant.
9-12Thedownwarddemandspiralisthecontinuingreductionindemandforacompany’sproductthatoccurswhenthepricesofcompetitors’productsarenotmet,and(asdemanddropsfurther)higherandhigherunitcostsresultinmoreandmorereluctancetomeetcompetitors’prices.Pricingdecisionsneedtoconsidercompetitorsandcustomersaswellascosts.
9-13No.Itdependsonhowacompanyhandlestheproduction-volumevarianceintheend-of-periodfinancialstatements.Forexample,iftheadjustedallocation-rateapproachisused,eachdenominator-levelcapacityconceptwillgivethesamefinancialstatementnumbersatyear-end.
9-14FortaxreportingintheUnitedStates,theIRSrequiresonlythatindirectproductioncostsare“fairly”apportionedamongallitemsproduced.Overheadratesbasedonnormalormaster-budgetcapacityutilization,aswellasthepracticalcapacityconcept,arepermitted.Atyear-end,prorationofanyvariancesbetweeninventoriesandcostofgoodssoldisrequired(unlessthevarianceisimmaterialinamount).
9-15No.Thecostsofhavingtoomuchcapacity/toolittlecapacityinvolverevenueopportunitiespotentiallyforgoneaswellascostsofmoneytiedupinplantassets.
9-16(30min.)Variableandabsorptioncosting,explainingoperating-incomedifferences.
1.Keyinputsforincomestatementcomputationsare
April
May
Beginninginventory
Production
Goodsavailableforsale
Unitssold
Endinginventory
0
500
500
350
150
150
400
550
520
30
Thebudgetedfixedcostperunitandbudgetedtotalmanufacturingcostperunitunderabsorptioncostingare
April
May
(a)Budgetedfixedmanufacturingcosts
(b)Budgetedproduction
(c)=(a)÷(b)Budgetedfixedmanufacturingcostperunit
(d)Budgetedvariablemanufacturingcostperunit
(e)=(c)+(d)Budgetedtotalmanufacturingcostperunit
$2,000,000
500
$4,000
$10,000
$14,000
$2,000,000
500
$4,000
$10,000
$14,000
(a)Variablecosting
April2014
May2014
Revenuesa
$8,400,000
$12,480,000
Variablecosts
Beginninginventory
$0
$1,500,000
Variablemanufacturingcostsb
5,000,000
4,000,000
Costofgoodsavailableforsale
5,000,000
5,500,000
Deductendinginventoryc
(1,500,000)
(300,000)
Variablecostofgoodssold
3,500,000
5,200,000
Variableoperatingcostsd
1,050,000
1,560,000
Totalvariablecosts
4,550,000
6,760,000
Contributionmargin
3,850,000
5,720,000
Fixedcosts
Fixedmanufacturingcosts
2,000,000
2,000,000
Fixedoperatingcosts
600,000
600,000
Totalfixedcosts
2,600,000
2,600,000
Operatingincome
$1,250,000
$3,120,000
a$24,000×350;$24,000×520c$10,000×150;$10,000×30
b$10,000×500;$10,000×400d$3,000×350;$3,000×520
(b)Absorptioncosting
April2014
May2014
Revenuesa
$8,400,000
$12,480,000
Costofgoodssold
Beginninginventory
$0
$2,100,000
Variablemanufacturingcostsb
5,000,000
4,000,000
Allocatedfixedmanufacturingcostsc
2,000,000
1,600,000
Costofgoodsavailableforsale
7,000,000
7,700,000
Deductendinginventoryd
(2,100,000)
(420,000)
Adjustmentforprod.-vol.variancee
0
400,000U
Costofgoodssold
4,900,000
7,680,000
Grossmargin
3,500,000
4,800,000
Operatingcosts
Variableoperatingcostsf
1,050,000
1,560,000
Fixedoperatingcosts
600,000
600,000
Totaloperatingcosts
1,650,000
2,160,000
Operatingincome
$1,850,000
$2,640,000
a$24,000×350;$24,000×520d$14,000×150;$14,000×30
b$10,000×500;$10,000×400e$2,000,000–$2,000,000;$2,000,000–$1,600,000
c$4,000×500;$4,000×400f$3,000×350;$3,000×520
2.
–
=
–
April:
$1,850,000–$1,250,000=($4,000×150)–($0)
$600,000=$600,000
May:
$2,640,000–$3,120,000=($4,000×30)–($4,000×150)
–$480,000=$120,000–$600,000
–$480,000=–$480,000
Thedifferencebetweenabsorptionandvariablecostingisduesolelytomovingfixedmanufacturingcostsintoinventoriesasinventoriesincrease(asinApril)andoutofinventoriesastheydecrease(asinMay).
9-17(20min.)Throughputcosting(continuationofExercise9-16).
1.
April2014
May2014
Revenuesa
$8,400,000
$12,480,000
Directmaterialcostofgoodssold
Beginninginventory
Directmaterialsingoodsmanufacturedb
$0
3,350,000
$1,005,000
2,680,000
Costofgoodsavailableforsale
Deductendinginventoryc
3,350,000
(1,005,000)
3,685,000
(201,000)
Totaldirectmaterialcostofgoodssold
Throughputmargin
Othercosts
2,345,000
6,055,000
3,484,000
8,996,000
Manufacturingcosts
3,650,000d
3,320,000e
Otheroperatingcosts
1,650,000f
2,160,000g
Totalothercosts
Operatingincome
5,300,000
$755,000
5,480,000
$3,516,000
a$24,000×350;$24,000×520e($3,300×400)+$2,000,000
b$6,700×500;$6,700×400f($3,000×350)+$600,000
c$6,700×150;$6,700×30g($3,000×520)+$600,000
d($3,300×500)+$2,000,000
2.Operatingincomeunder:
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