供应链管理第三版Unit10习题与答案最新整理文档格式.docx
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供应链管理第三版Unit10习题与答案最新整理文档格式.docx
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TrueDifficulty:
3.Cycleinventoryisthephysicalinventoryinthesupplychainduetoeitherproductionorpurchasesdemandedbythecustomer.
4.Theinventoryprofileisaplotdepictingthelevelofinventoryovertime.Answer:
True
Easy
5.Whendemandissteady,cycleinventoryandlotsizearerelatedasfollows:
CycleInventory=LotSizex2=Q*2.
FalseDifficulty:
6.Lotsizesandcycleinventorydonotaffecttheflowtimeofmaterialwithinthesupplychain.
7.Averageflowtimeresultingfromcycleinventory=CycleInventory/Demand=
Q/2D.
8.Cycleinventoryisprimarilyheldtotakeadvantageofeconomiesofscaleandreduceprofitwithinthesupplychain.
9.Increasingthelotsizeorcycleinventoryoftendecreasesthecostincurredbydifferentstagesofasupplychain.
10.Cycleinventoryexistsinasupplychainbecausedifferentstagesexploiteconomiesofscaletolowertotalcost.
11.Thecostsconsideredinlotsizingdecisionsincludematerialcost,fixedorderingcost,andmanufacturingcost.
12.Thetotalannualcostisthesumofannualmaterialcost,annualordercost,andannualholdingcost,andisgivenasTC=CD+(D/Q)S+(Q/2)hC.
13.Theoptimallotsizeisreferredtoastheeconomicorderquantity(EOQ).ItisdenotedbyQ*andisgivenbytheequation:
Q*=√2DS/hC.
14.Totalorderingandholdingcostsareunstablearoundtheeconomicorderquantity.
15.AfirmisoftenbetterservedbyorderingaconvenientlotsizeclosetotheeconomicorderquantityratherthanthepreciseEOQ.
16.Ifdemandincreasesbyafactorofk,theoptimallotsizedecreasesbyafactorof
k.
Hard
17.Toreducetheoptimallotsizebyafactorofk,thefixedordercostSmustbereducedbyafactorofk.
18.Aggregatingacrossproducts,retailers,orsuppliersinasingleorderallowsforareductioninlotsizeforindividualproductsbecausefixedorderingandtransportationcostsarenowspreadacrossmultipleproducts,retailers,orsuppliers.
19.Akeytoreducingcycleinventoryisthereductionoflotsize.Answer:
20.Akeytoreducinglotsizewithoutincreasingcostsistoreducetheholdingcostassociatedwitheachlot.
21.Reductionoffixedcostmaybeachievedbyaggregatinglotsacrossmultipleproducts,customers,orsuppliers.
22.Adiscountisvolume-basedifthepricingscheduleoffersdiscountsbasedonthequantityorderedinasinglelot.
23.Adiscountisvolume-basedifthediscountisbasedonthetotalquantitypurchasedoveragivenperiod,regardlessofthenumberoflotspurchasedoverthatperiod.
24.Pricingscheduleswithallunitquantitydiscountsencourageretailerstoincreasethesizeoftheirlots,whichreducestheaverageinventoryandflowtimeinasupplychain.
25.Marginalunitquantitydiscountshavealsobeenreferredtoasmulti-blocktariffs.Answer:
26.Quantitydiscountsleadtoaminorbuildupofcycleinventoryinthesupplychain.Answer:
27.Forcommodityproductswherepriceissetbythemarket,manufacturerscanuselotsizebasedquantitydiscountstoachievecoordinationinthesupplychainanddecreasesupplychaincost.
28.Thesupplychainprofitishigherifeachstageofthesupplychainindependentlymakesitspricingdecisionswiththeobjectiveofmaximizingitsownprofit.Answer:
29.Forproductswherethefirmhasmarketpower,two-parttariffscanbeusedtoachievecoordinationinthesupplychainandmaximizesupplychainprofits.Answer:
30.Discountsrelatedtopricediscriminationwillbelotsizebased.Answer:
31.Pricediscriminationisthepracticewhereafirmchargesdifferentialpricestomaximizeprofits.
32.Thegoaloftradepromotionsistoinfluenceretailerstoactinawaythathelpstheretailerachieveitsobjectives.
33.Althoughaforwardbuyisoftentheretailer’sappropriateresponseandincreasestheirownprofits,itusuallyincreasesdemandvariabilitywitharesultingincreaseininventoryandflowtimeswithinthesupplychain.
34.Tradepromotionsleadtoasignificantincreaseinlotsizeandcycleinventorybecauseofforwardbuyingbytheretailer.
MultipleChoice
1.Cycleinventoryexistsbecauseproducingorpurchasinginlargelotsallowsastageofthesupplychainto
a.exploiteconomiesofscaleandraisecost.
b.exploiteconomiesofscaleandlowercost.
c.exploitcustomersandlowercost.
d.exploitcustomersandraisecost.
e.noneoftheaboveAnswer:
b
2.Thequantityofinventorythatastageofthesupplychaineitherproducesorpurchasesatagiventimeis
a.anorder.
b.ajob.
c.ashipment.
d.alotorbatch.
d
3.Theaverageinventoryinthesupplychainduetoeitherproductionorpurchasesinlotsizesthatarelargerthanthosedemandedbythecustomeris
a.annualinventory.
b.distributioninventory.
c.cycleinventory.
d.physicalinventory.
e.bandconlyAnswer:
cDifficulty:
4.Agraphicalplotdepictingthelevelofinventoryovertimeis
a.aninventorygraph.
b.adistributioninventory.
c.aninventorydrawing.
d.aninventoryprofile.
e.aninventorypicture.Answer:
5.Whendemandissteady,cycleinventoryandlotsizearerelatedas
a.CycleInventory=LotSizex2.
b.CycleInventory=Q*2.
c.CycleInventory=Q/2.
d.CycleInventory=LotSize=Q.
c
6.Averageflowtimeresultingfromcycleinventoryisequalto
a.CycleInventory/Demand=Q/2.
b.CycleInventory/Demand=Q/2D.
7.Cycleinventoryisprimarilyheldto
a.takeadvantageofdiseconomiesofscaleandincreasecostwithinthesupplychain.
b.takeadvantageofdiseconomiesofscaleandreducecostwithinthesupplychain.
c.takeadvantageofeconomiesofscaleandincreasecostwithinthesupplychain.
d.takeadvantageofeconomiesofscaleandreducecostwithinthesupplychain.
e.Noneoftheabovearetrue.
dDifficulty:
8.Whichofthefollowingisnotacostthatmustbeconsideredinanylotsizingdecision?
a.Averagepriceperunitpurchased,$C/unit
b.Fixedorderingcostincurredperlot,$S/lot
c.Holdingcostincurredperunitperyear,$H/unit/year=hC
d.Manufacturingcostperunit,$M/unit
e.Alloftheabovearecoststobeconsidered.Answer:
9.Theprimaryroleofcycleinventoryistoallowdifferentstagesinthesupplychainto
a.purchaseproductinlotsizesthatmaximizethesumofthematerial,ordering,andholdingcost.
b.purchaseproductinlotsizesthatminimizethesumofthematerial,ordering,andholdingcost.
c.sellproductinlotsizesthatmaximizethesumofthematerial,ordering,andholdingcost.
d.sellproductinlotsizesthatminimizethesumofthematerial,ordering,andholdingcost.
10.Economiesofscaleinpurchasingandorderingmotivateamanagerto
a.increasethelotsizeandcycleinventory.
b.decreasethelotsizeandcycleinventory.
c.eliminateinventory.
d.increasethelotsizeandreducecycleinventory.
a
11.Whichofthefollowingisnotasituationinwhichanystageofthesupplychainexploitseconomiesofscaleinitsreplenishmentdecisions?
a.Afixedcostisincurredeachtimeanorderisplacedorproduced.
b.Aholdingcostisincurredeachperiodforeachunitofinventory.
c.Thesupplierofferspricediscountsbasedonthequantitypurchasedperlot.
d.Thesupplieroffersshort-termdiscountsorholdstradepromotions.
e.alloftheaboveAnswer:
12.Thepricepaidperunitisreferredtoas
a.thematerialcostandisdenotedbyC.
b.thefixedorderingcostandisdenotedbyS.
c.theholdingcostandisdenotedbyH.
d.thepurchasepriceandisdenotedbyP.
13.Allcoststhatdonotvarywiththesizeoftheorderbutareincurredeachtimeanorderisplacedarereferredtoas
14.Thecostofcarryingoneunitininventoryforaspecifiedperiodoftime,usuallyoneyear
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