第8章运作管理

294CHAPTER8:INVENTORYMANAGEMENTTRUE/FALSE1.Accordingtotheglobalcompanyprofile,Amazon.com'sadvantageininventorymanagementcomesfromitsalmostfanaticaluseofeconomicorderquantityandsafetystockcalculations.False(Globalcompanyprofile,easy)2.Amajorchallengeininventorymanagementistomaintainabalancebetweeninventoryinvestmentandcustomerservice.True(Introduction,easy)3.Whichitemtoorderandwithwhichsuppliertheordershouldbeplacedarethetwofundamentalissuesininventorymanagement.False(Introduction,moderate)4.Onefunctionofinventoryistotakeadvantageofquantitydiscounts.True(Functionsofinventory,easy)5.Work-in-processinventoryisdevotedtomaintenance,repair,andoperations.False(Functionsofinventory,easy)6.ABCanalysisclassifiesinventorieditemsintothreegroups,usuallybasedonannualunitsorquantitiesused.False(Inventorymanagement,easy)7.InABCanalysis,AItemsarethemosttightlycontrolled.True(Inventorymanagement,moderate)8.ABCanalysisisbasedonthepresumptionthatcarefullycontrollingallitemsisnecessarytoproduceimportantinventorysavings.False(Inventorymanagement,easy)9.Cyclecountingisaninventorycontroltechniqueexclusivelyusedforcyclicalitems.False(Inventorymanagement,moderate)10.Oneadvantageofcyclecountingisthatitmaintainsaccurateinventoryrecords.True(Inventorymanagement,moderate)11.Incyclecounting,thefrequencyofitemcountingandstockverificationusuallyvariesfromitemtoitemdependingupontheitem'sclassification.True(Inventorymanagement,moderate)12.Retailinventorythatisunaccountedforbetweenreceiptandtimeofsaleisknownasshrinkage.True(Inventorymanagement,moderate)13.Thedemandforautomobileswouldbeconsideredanindependentdemand.True(Inventorymodels,moderate)29514.Insuranceandtaxesoninventoryarepartofthecostsknownassetupororderingcosts.False(Inventorymodels,easy)15.Ifsetupcostsarereducedbysubstantialreductionsinsetuptime,theproductionorderquantityisalsoreduced.True(Inventorymodels,andInventorymodelsforindependentdemand,easy)16.TheEOQmodelisbestsuitedforitemswhosedemandisdependentonotherproducts.False(Inventorymodelsforindependentdemand,moderate)17.InthesimpleEOQmodel,ifannualdemandweretoincrease,theEOQwouldincreaseproportionately.False(Inventorymodelsforindependentdemand,moderate)18.Attheeconomicorderquantity,holdingcostsareequaltopurchasingcosts.False(Inventorymodelsforindependentdemand,moderate)19.InthesimpleEOQmodel,ifthecarryingcostweretodouble,theEOQwouldalsodouble.False(Inventorymodelsforindependentdemand,moderate)20.Intheproductionorderquantity(POQ)model,inventorydoesnotarriveinasinglemomentbutflowsinatasteadyrate,resultinginalargerlotsizethaninanotherwiseidenticalEOQproblem.True(Inventorymodelsforindependentdemand,moderate)21.Thereorderpointistheinventorylevelatwhichactionistakentoreplenishthestockeditem.True(Inventorymodelsforindependentdemand,moderate)22.Inthequantitydiscountmodel,itispossibletohaveacost-minimizingsolutionwhereannualorderingcostsdonotequalannualcarryingcosts.True(Inventorymodelsforindependentdemand,moderate)23.Inthequantitydiscountmodel,thecostofacquiringgoods(productcost)isnotafactorindetermininglotsize.False(Inventorymodelsforindependentdemand,easy)24.Servicelevelisthecomplementoftheprobabilityofastockout.True(Probabilisticmodelsandsafetystock,moderate)25.Unitsofsafetystockareadditionstothereorderpointthatallowforvariabilityintherateofdemand,thelengthofleadtime,orboth.True(Probabilisticmodelsandsafetystock,easy)26.Safetystockininventorysystemsdependsonlyontheaveragedemandduringtheleadtime.False(Probabilisticmodelsandsafetystock,moderate)27.Thefixed-periodinventorymodelcanhaveastockoutduringthereviewperiodaswellasduringthereorderperiod,whichiswhyfixed-periodmodelsrequiremoresafetystockthanfixed-quantitymodels.True(Inventorymodelsforindependentdemand,easy)296MULTIPLECHOICE28.WhichofthefollowingstatementsregardingAmazon.comisfalse?a.ThecompanywasopenedbyJeffBezosin1995.b.Thecompanywasfoundedas,andstillis,avirtualretailerwithnoinventory.c.Thecompanyisnowaworld-classleaderinwarehousemanagementandautomation.d.ThecompanyusesbothUnitedParcelServiceandtheU.S.PostalServiceasshippers.e.Amazonobtainsitscompetitiveadvantagethroughinventorymanagement.b(Globalcompanyprofile,moderate)29.Whichofthefollowingisafunctionofinventory?a.todecoupleorseparatepartsoftheproductionprocessb.todecouplethefirmfromfluctuationsindemandandprovideastockofgoodsthatwillprovideaselectionforcustomersc.totakeadvantageofquantitydiscountsd.tohedgeagainstinflatione.Alloftheabovearefunctionsofinventory.e(Functionsofinventory,moderate)30.Whichofthefollowingwouldnotgenerallybeamotiveforafirmtoholdinventories?a.todecoupleorseparatepartsoftheproductionprocessb.toprovideastockofgoodsthatwillprovideaselectionforcustomersc.totakeadvantageofquantitydiscountsd.tominimizeholdingcostse.Alloftheabovearefunctionsofinventory.d(Functionsofinventory,moderate)31.Whichofthefollowingisnotoneofthefourmaintypesofinventory?a.rawmaterialinventoryb.work-in-processinventoryc.maintenance/repair/operatingsupplyinventoryd.safetystockinventorye.Allofthesearemaintypesofinventory.d(Functionsofinventory