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OverheadApplication:VariableandAbsorptionCosting變動成本法與吸收成本法OverheadApplicat1AbsorptionCosting吸收成本法Asystemofaccountingforcostsinwhichbothfixedandvariableproductioncostsareconsideredproductcosts.FixedCostsVariableCostsProductAbsorptionCosting吸收成本法Asys2VariableCosting變動成本法Asystemofcostaccountingthatonlyassignsthevariablecostofproductiontoproducts.FixedCostsVariableCostsProductVariableCosting變動成本法Asyste3AbsorptionandVariableCostingAbsorptionandVariableCostin4AbsorptionandVariableCostingThedifferencebetweenabsorptionandvariable

costingisthetreatmentoffixedmanufacturingoverhead.AbsorptionandVariableCostin5Let’sputsomenumberstoanexampleandseewhatwecanlearnaboutthedifferencebetweenabsorptionandvariablecosting.AbsorptionandVariableCostingLet’sputsomenumberstoane6GreenbergCase

see:P581GreenbergCase

see:P5817VariablecostingFixedfactoryoverheadnottobeallocatedtotheproductsmanufactured.Unitproductcostonlyincludesvariablemanufacturingcosts(directmaterials,directlabor,variablefactoryoverhead)VariablecostingFixedfactory8Unitproductcost20X020X1Directmaterial$1.31.3Directlabor

1.51.5Variablefactoryoverhead

0.20.2Standardvariablemanufacturingcost$3$3Unitproductcost$3$3Endinginventorycost30,000×310,000×3Unitproductcost20X09Salesrevenue(140,000@$5)700,000Variableexpenses:

Openinginventory0

+costofgoodsmanufactured(170,000@$3)510,000

-endinginventory(30,000@$3)

90,000

costofgoodssold(140,000@$3)420,000

variablesellingexpense(5%ofsales)

35,000Totalvariableexpenses455,000ContributionMargin245,000Fixedexpenses:

fixedfactoryoverhead

150,000

fixedsellingandadministrativeexpenses

65,000

totalfixedexpenses215,00Operatingincome(variablecosting)

30,000Salesrevenue(140,000@$5)10Salesrevenue(160,000@$5)800,000Variableexpenses:

Openinginventory(30,000@$3)90,000

+costofgoodsmanufactured(140,000@$3)420,000

-endinginventory(10,000@$3)

30,000

costofgoodssold(160,000@$3)480,000

variablesellingexpense(5%ofsales)

40,000Totalvariableexpenses520,000ContributionMargin280,000Fixedexpenses:

fixedfactoryoverhead

150,000

fixedsellingandadministrativeexpenses

65,000

totalfixedexpenses215,00Operatingincome(variablecosting)

65,000Salesrevenue(160,000@$5)11AbsorptioncostingFixedfactoryoverheadtobeallocatedintotheproductmanufactured.Unitcostofproductincludesallmanufacturingcosts(directmaterial,directlabor,variablefactoryoverhead,andfixedfactoryoverhead)AbsorptioncostingFixedfacto12StandardunitcostexpectedFixedfactoryoverhead$150,000tobeallocatedintotheproductsunderfixedoverheadrate.Fixedoverheadrate

=budgetedFFO/expectedvolumeofproduction

=$150,000/150,000=$1Productionvolumevariance=(actualvolume–expectedvolume)×fixedoverheadrateStandardunitcostexpected13Standardunitcostofproduct

=standardvariablemanufacturingcost+fixedoverheadrate=$3+$1=$4Standardunitcostofproduct14Unitcost20X020X1Directmaterial$1.3Directlabor

1.5Variablefactoryoverhead

0.2Standardvariablemanufacturingcost$3$3Totalfixedfactoryoverhead$150,000$150,000ExpectedProductionunits150,000

150,000Unitfixedfactoryoverhead$11Unitproductcost$4$4Endinginventorycost30,000×410,000×4Unitcost20X020X1Direct15Salesrevenue(140,000@$5)700,000costofgoodssold:Openinginventory0

+costofgoodsmanufactured(170,000@$4)580,000

-endinginventory(30,000@$4)120,000

costofgoodssold(140,000@$4)560,000Grossmargin140,000Production-volumevariance(170,000–150,000)20,000Grossprofitatactual160,000Sellingexpenses65,000Sellingcommissions(5%ofsales)35,000Operatingincome(variablecosting)60,000Salesrevenue(140,000@$5)16Salesrevenue(160,000@5)800,000costofgoodssold:Openinginventory(30,000$4)120,00

+costofgoodsmanufactured(140,000@4)560,000

-endinginventory(10,000@4)40,000

costofgoodssold(160,000@4)640,000Grossmargin160,000Production-volumevariance(140,000–150,000)-10,000Grossprofitatactual150,000Sellingexpenses65,000Sellingcommissions(5%ofsales)40,000Operatingincome(variablecosting)45,000Salesrevenue(160,000@5)817

Variablecosting20X020X1Salesrevenue700,000800,000Variableexpenses455,000520,000Contributionmargin245,000280,000Fixedexpenses215,000215,000Operationincome

30,00065,000Beginninginventory090,000Endinginventory90,00030,000Variablecosting20X020X1Sale18

Absorptioncosting20X020X1Salesrevenue700,000800,000manufacturingcost560,000640,000Grossmargin140,000160,000Productionvariance20,000-10,000Non-manufacturingexpenses100,000105,000Operationincome

60,00045,000Beginninginventory0120,000Endinginventory120,00040,000Absorptioncosting20X020X1S19Selectionofexpectedactivitylevelforcomputingthefixedoverheadrate

Fixedoverheadrate

=budgetedFFO/expectedvolumeofproduction

Thehigherthelevelofactivity,thelowertherateTherearethreewaystodecidethelevelofactivitySelectionofexpectedactivity20Actualcosting

Normalcosting

StandardcostingDirectmaterialsActualcostsActualcostsstandardpriceorrate×standardinputsallowedforactualoutputachievedDirectlaborActualcostsActualcostsFactoryoverheadActualcostsBudgetedrate×actualinputsActualcostingNormalcosting21UnderActualCostingAllocatefixedfactoryoverheadintoproductsUnderActualC22Unitcost20X020X1Directmaterial$1.3Directlabor

1.5Variablefactoryoverhead

0.2Standardvariablemanufacturingcost$3$3Totalfixedfactoryoverhead$150,000$150,000Productionunits170,000

140,000Unitfixedfactoryoverhead$0.8821.071Unitproductcost$3.882$4.071Endinginventorycost30,000×3.88210,000×4.071Unitcost20X020X1Direct23Salesrevenue(140,000@5)700,000costofgoodssold:

Openinginventory0

+costofgoodsmanufactured(170,000@3+150,000)660,000

-endinginventory(30,000@3.882)116,520

costofgoodssold(140,000@3.882)543,480Grossmargin156,520Sellingexpenses65,000Sellingcommissions(5%ofsales)35,000Operatingincome(variablecosting)

56,520Salesrevenue(140,000@5)724Salesrevenue(160,000@5)800,000costofgoodssold:

Openinginventory(30,000@3.882)116,460

+costofgoodsmanufactured(140,000@3+150,000)570,000

-endinginventory(10,000@4.071)40,710

costofgoodssold(140,000@3.882)645,750Grossmargin154,250Sellingexpenses65,000Sellingcommissions(5%ofsales)40,000Operatingincome(variablecosting)

49,250Salesrevenue(160,000@5)825MellonCaseMellon26

MellonCducesasingleproductwiththefollowinginformationavailableAbsorptionandVariableCostingMellonCducesasingl27Unitproductcostisdeterminedasfollows:AbsorptionandVariableCostingSellingandadministrativeexpensesarealwaystreatedasperiodexpensesanddeductedfromrevenue.Unitproductcostisdetermine28AbsorptionCostingIncomeStatementsMellonCo.hadnobeginninginventory,produced25,000unitsandsold20,000unitsthisyearat$30each.AbsorptionCostingIncomeSta29AbsorptionCostingIncomeStatementsMellonCo.hadnobeginninginventory,produced25,000unitsandsold20,000unitsthisyearat$30each.AbsorptionCostingIncomeSta30MellonCo.hadnobeginninginventory,produced25,000unitsandsold20,000unitsthisyearat$30each.AbsorptionCostingIncomeStatementsMellonCo.hadnobeginningin31VariableCostingIncomeStatementsVariableCostingIncomeState32VariableCostingIncomeStatementsWeexcludethefixedmanufacturingoverhead.VariableCostingIncomeStatem33VariableCostingIncomeStatementsVariableCostingIncomeStatem34ComparingAbsorptionand

VariableCostingLet’scomparethemethods.ComparingAbsorptionand

Varia35ComparingAbsorptionand

VariableCostingLet’scomparethemethods.ComparingAbsorptionand

Varia36ComparingAbsorptionand

VariableCostingLet’scomparethemethods.ComparingAbsorptionand

Varia37ReconcilingIncomeUnderAbsorptionandVariableCosting

Wecanreconcilethedifferencebetweenabsorptionandvariablenetincomeasfollows:Fixedmfg.overhead

$150,000

Unitsproduced25,000

=$6.00perunit

=ReconcilingIncomeUnderAbsor38ExtendingtheExampleLet’slookatthesecondyearofoperationsforMellonCompany.ExtendingtheExampleLet’sloo39MellonCo.Year2

Initssecondyearofoperations,MellonCo.startedwithaninventoryof5,000units,produced25,000unitsandsold30,000unitsat$30each.MellonCo.Year2Initssec40MellonCo.Year2Unitproductcostisdeterminedasfollows:TherehasbeennochangeinMellon’scoststructure.MellonCo.Year2Unitproduct41MellonCo.Year2Nowlet’slookatMellon’sincomestatementassumingabsorptioncostingisused.MellonCo.Year2Nowlet’sloo42MellonCo.Year2Unitsinendinginventoryfromthepreviousperiod.MellonCo.Year2Unitsinendi43MellonCo.Year225,000unitsproducedinthecurrentperiod.MellonCo.Year225,000units44MellonCo.Year2Next,we’lllookatMellon’sincomestatementassumingvariablecostingisused.MellonCo.Year2Next,we’lll45MellonCo.Year2MellonCo.Year246MellonCo.Year2Excludesfixedmanufacturingoverhead.MellonCo.Year2Excludesfixe47SummaryInthefirstperiod,production(25,000units)wasgreaterthansales(20,000).Inthesecondperiod,production(25,000units)waslessthansales(30,000).SummaryInthefirstperiod,pr48SummaryForthetwo-yearperiod,totalabsorptionincomeandtotalvariableincomearethesame.SummaryForthetwo-yearperiod49SummaryLet’sseeifwecangetanoverviewofwhatwehavedone.SummaryLet’sseeifwecanget50SummaryComparisonofAbsorption(AC)andVariableCosting(VC)Thiswasthecaseinthefirstperiodwhenproductionof25,000unitswasgreaterthansalesof20,000units.Inventoryincreasedfromzeroto5,000unitsand$120,000absorptionincomewasgreaterthan$90,000variableincome.SummaryComparisonofAbsorpti51SummaryComparisonofAbsorption(AC)andVariableCosting(VC)Inthesecondperiodsalesof30,000unitsweregreaterthanproductionof25,000.SummaryComparisonofAbsorpti52SummaryComparisonofAbsorption(AC)andVariableCosting(VC)Inventorydecreasedfrom5,000unitstozero,and$230,000absorptionincomewaslessthan$260,000variableincome.SummaryComparisonofAbsorpti53SummaryComparisonofAbsorption(AC)andVariableCosting(VC)Forthetwo-yearperiod,unitsproducedequalsunitssold,sototalabsorptionincomeequalstotalvariableincome.SummaryComparisonofAbsorpti54Cost-Volume-ProfitAnalysisCVPincludesallfixedcoststocomputebreakeven.VariablecostingandCVPareconsistentasbothtreatfixedcostsasalumpsum.Absorptioncostingdefersfixedcostsintoinventory.AbsorptioncostingisinconsistentwithCVPbecauseabsorptioncostingtreatsfixedcostsonaperunitbasis.Cost-Volume-ProfitAnalysisCVP55AdvantagesManagementfindsiteasytounderstand.ConsistentwithCVPanalysis.Emphasizescontributionin

short-runpricingdecisions.Profitforperiodnotaffectedbychangesinfixedmfg.overhead.Impactoffixedcostsonprofitsemphasized.EvaluationofVariableCostingAdvantagesManagementfindsit56AdvantagesConsistentwithlong-run

pricingdecisionsthatmust

coverfullcost.Externalreporting

andincometaxlaw

requireabsorptioncosting.EvaluationofAbsorptionCostingFixedmanufacturingoverheadis

treatedthesameastheotherproduct

costs,directmaterialanddirectlabor.AdvantagesConsistentwithlong57ImpactofJITInventoryMethodsInaJITinventorysystem...Productiontendstoequalsales...So,thedifferencebetweenvariableandabsorptionincometendstodisappear.ImpactofJITInventoryMethod58演講完畢,謝謝觀看!演講完畢,謝謝觀看!59OverheadApplication:VariableandAbsorptionCosting變動成本法與吸收成本法OverheadApplicat60AbsorptionCosting吸收成本法Asystemofaccountingforcostsinwhichbothfixedandvariableproductioncostsareconsideredproductcosts.FixedCostsVariableCostsProductAbsorptionCosting吸收成本法Asys61VariableCosting變動成本法Asystemofcostaccountingthatonlyassignsthevariablecostofproductiontoproducts.FixedCostsVariableCostsProductVariableCosting變動成本法Asyste62AbsorptionandVariableCostingAbsorptionandVariableCostin63AbsorptionandVariableCostingThedifferencebetweenabsorptionandvariable

costingisthetreatmentoffixedmanufacturingoverhead.AbsorptionandVariableCostin64Let’sputsomenumberstoanexampleandseewhatwecanlearnaboutthedifferencebetweenabsorptionandvariablecosting.AbsorptionandVariableCostingLet’sputsomenumberstoane65GreenbergCase

see:P581GreenbergCase

see:P58166VariablecostingFixedfactoryoverheadnottobeallocatedtotheproductsmanufactured.Unitproductcostonlyincludesvariablemanufacturingcosts(directmaterials,directlabor,variablefactoryoverhead)VariablecostingFixedfactory67Unitproductcost20X020X1Directmaterial$1.31.3Directlabor

1.51.5Variablefactoryoverhead

0.20.2Standardvariablemanufacturingcost$3$3Unitproductcost$3$3Endinginventorycost30,000×310,000×3Unitproductcost20X068Salesrevenue(140,000@$5)700,000Variableexpenses:

Openinginventory0

+costofgoodsmanufactured(170,000@$3)510,000

-endinginventory(30,000@$3)

90,000

costofgoodssold(140,000@$3)420,000

variablesellingexpense(5%ofsales)

35,000Totalvariableexpenses455,000ContributionMargin245,000Fixedexpenses:

fixedfactoryoverhead

150,000

fixedsellingandadministrativeexpenses

65,000

totalfixedexpenses215,00Operatingincome(variablecosting)

30,000Salesrevenue(140,000@$5)69Salesrevenue(160,000@$5)800,000Variableexpenses:

Openinginventory(30,000@$3)90,000

+costofgoodsmanufactured(140,000@$3)420,000

-endinginventory(10,000@$3)

30,000

costofgoodssold(160,000@$3)480,000

variablesellingexpense(5%ofsales)

40,000Totalvariableexpenses520,000ContributionMargin280,000Fixedexpenses:

fixedfactoryoverhead

150,000

fixedsellingandadministrativeexpenses

65,000

totalfixedexpenses215,00Operatingincome(variablecosting)

65,000Salesrevenue(160,000@$5)70AbsorptioncostingFixedfactoryoverheadtobeallocatedintotheproductmanufactured.Unitcostofproductincludesallmanufacturingcosts(directmaterial,directlabor,variablefactoryoverhead,andfixedfactoryoverhead)AbsorptioncostingFixedfacto71StandardunitcostexpectedFixedfactoryoverhead$150,000tobeallocatedintotheproductsunderfixedoverheadrate.Fixedoverheadrate

=budgetedFFO/expectedvolumeofproduction

=$150,000/150,000=$1Productionvolumevariance=(actualvolume–expectedvolume)×fixedoverheadrateStandardunitcostexpected72Standardunitcostofproduct

=standardvariablemanufacturingcost+fixedoverheadrate=$3+$1=$4Standardunitcostofproduct73Unitcost20X020X1Directmaterial$1.3Directlabor

1.5Variablefactoryoverhead

0.2Standardvariablemanufacturingcost$3$3Totalfixedfactoryoverhead$150,000$150,000ExpectedProductionunits150,000

150,000Unitfixedfactoryoverhead$11Unitproductcost$4$4Endinginventorycost30,000×410,000×4Unitcost20X020X1Direct74Salesrevenue(140,000@$5)700,000costofgoodssold:Openinginventory0

+costofgoodsmanufactured(170,000@$4)580,000

-endinginventory(30,000@$4)120,000

costofgoodssold(140,000@$4)560,000Grossmargin140,000Production-volumevariance(170,000–150,000)20,000Grossprofitatactual160,000Sellingexpenses65,000Sellingcommissions(5%ofsales)35,000Operatingincome(variablecosting)60,000Salesrevenue(140,000@$5)75Salesrevenue(160,000@5)800,000costofgoodssold:Openinginventory(30,000$4)120,00

+costofgoodsmanufactured(140,000@4)560,000

-endinginventory(10,000@4)40,000

costofgoodssold(160,000@4)640,000Grossmargin160,000Production-volumevariance(140,000–150,000)-10,000Grossprofitatactual150,000Sellingexpenses65,000Sellingcommissions(5%ofsales)40,000Operatingincome(variablecosting)45,000Salesrevenue(160,000@5)876

Variablecosting20X020X1Salesrevenue700,000800,000Variableexpenses455,000520,000Contributionmargin245,000280,000Fixedexpenses215,000215,000Operationincome

30,00065,000Beginninginventory090,000Endinginventory90,00030,000Variablecosting20X020X1Sale77

Absorptioncosting20X020X1Salesrevenue700,000800,000manufacturingcost560,000640,000Grossmargin140,000160,000Productionvariance20,000-10,000Non-manufacturingexpenses100,000105,000Operationincome

60,00045,000Beginninginventory0120,000Endinginventory120,00040,000Absorptioncosting20X020X1S78Selectionofexpectedactivitylevelforcomputingthefixedoverheadrate

Fixedoverheadrate

=budgetedFFO/expectedvolumeofproduction

Thehigherthelevelofactivity,thelowertherateTherearethreewaystodecidethelevelofactivitySelectionofexpectedactivity79Actualcosting

Normalcosting

StandardcostingDirectmaterialsActualcostsActualcostsstandardpriceorrate×standardinputsallowedforactualoutputachievedDirectlaborActualcostsActualcostsFactoryoverheadActualcostsBudgetedrate×actualinputsActualcostingNormalcosting80UnderActualCostingAllocatefixedfactoryoverheadintoproductsUnderActualC81Unitcost20X020X1Directmaterial$1.3Directlabor

1.5Variablefactoryoverhead

0.2Standardvariablemanufacturingcost$3$3Totalfixedfactoryoverhead$150,000$150,000Productionunits170,000

140,000Unitfixedfactoryoverhead$0.8821.071Unitproductcost$3.882$4.071Endinginventorycost30,000×3.88210,000×4.071Unitcost20X020X1Direct82Salesrevenue(140,000@5)700,000costofgoodssold:

Openinginventory0

+costofgoodsmanufactured(170,000@3+150,000)660,000

-endinginventory(30,000@3.882)116,520

costofgoodssold(140,000@3.882)543,480Grossmargin156,520Sellingexpenses65,000Sellingcommissions(5%ofsales)35,000Operatingincome(variablecosting)

56,520Salesrevenue(140,000@5)783Salesrevenue(160,000@5)800,000costofgoodssold:

Openinginventory(30,000@3.882)116,460

+costofgoodsmanufactured(140,000@3+150,000)570,000

-endinginventory(10,000@4.071)40,710

costofgoodssold(140,000@3.882)645,750Grossmargin154,250Sellingexpenses65,000Sellingcommissions(5%ofsales)40,000Operatingincome(variablecosting)

49,250Salesrevenue(160,000@5)884MellonCaseMellon85

MellonCducesasingleproductwiththefollowinginformationavailableAbsorptionandVariableCostingMellonCducesasingl86Unitproductcostisdeterminedasfollows:AbsorptionandVariableCostingSellingandadministrativeexpensesarealwaystreatedasperiodexpensesanddeductedfromrevenue.Unitproductcostisdetermine87AbsorptionCostingIncomeStatementsMellonCo.hadnobeginninginventory,produced25,000unitsandsold20,000unitsthisyearat$30each.AbsorptionCostingIncomeSta88AbsorptionCostingIncomeStatementsMellonCo.hadnobeginninginventory,produced25,000unitsandsold20,000unitsthisyearat$30each.AbsorptionCostingIncomeSta89MellonCo.hadnobeginninginventory,produced25,000unitsandsold20,000unitsthisyearat$30each.AbsorptionCostingIncomeStatementsMellonCo.hadnobeginningin90VariableCostingIncomeStatementsVariableCostingIncomeState91VariableCostingIncomeStatementsWeexcludethefixedmanufacturingoverhead.VariableCostingIncomeStatem92VariableCostingIncomeStatementsVariableCostingIncomeStatem93ComparingAbsorptionand

VariableCostingLet’scomparethemethods.ComparingAbsorptionand

Varia94ComparingAbsorptionand

VariableCostingLet’scomparethemethods.ComparingAbsorptionand

Varia95ComparingAbsorptionand

VariableCostingLet’scomparethemethods.ComparingAbsorptionand

Varia96ReconcilingIncomeUnderAbsorptionandVariableCosting

Wecanreconcilethedifferencebetweenabsorptionandvariablenetincomeasfollows:Fixedmfg.overhead

$150,000

Unitsproduced25,000

=$6.00perunit

=ReconcilingIncomeUnderAbsor97ExtendingtheExampleLet’slookatthesecondyearofoperationsforMellonCompany.ExtendingtheExampleLet’sloo98MellonCo.Year2

Initssecondyearofoperations,MellonCo.startedwithaninventoryof5,000units,produced25,000unitsandsold30,000unitsat$30each.MellonCo.Year2Initssec99MellonCo.Year2Unitproductcostisdeterminedasfollows:TherehasbeennochangeinMellon’scoststructure.MellonCo.Year2Unitproduct100MellonCo.Year2Nowlet’slookatMellon’sincomestatementassumingabsorptioncostingisused.MellonCo.Year2Nowlet’sloo101MellonCo.Year2Unitsinendinginventoryfromthepreviousperiod.MellonCo.Year2Unitsinendi102MellonCo.Year225,000unitsproducedinthecurrentperiod.MellonCo.Year225,000units103MellonCo.Year2Next,we’lllookatMellon’sincomestatementassumingvariablecostingisused.MellonCo.Year2Next,we’lll104MellonCo.Year2MellonCo.Year2105MellonCo.Year2Excludesfixedmanufacturingoverhead.MellonCo.Year2Excludesfixe106SummaryInthefirstperiod,

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