supply chain management 问题答案

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1、Problem1:ManceFraily,theProductionManageratRaltsMills,cancurrentlyexpecthisoperationtoproduce1000squareyardsoffabricforeachtonofrawcotton.Eachtonofrawcottonrequires5laborhourstoprocess.Hebelievesthathecanbuyabetterqualityrawcotton,whichwillenablehimtoproduce1200s

2、quareyardspertonofrawcottonwiththesamelaborhours.Whatwillbetheimpactonproductivity(measuredinsquareyardsperlabor-hour)ifhepurchasesthehigherqualityrawcotton?ANSWER:Productivityimproves20%=(240-200)/200=0.2Problem2:C.A.Ratchet,thelocalautomechanic,findsthatitusual

3、lytakeshim2hourstodiagnoseandfixatypicalproblem.Whatishisdailyproductivity(assumean8hourday)?Mr.Ratchetbelieveshecanpurchaseasmallcomputertrouble-shootingdevice,whichwillallowhimtofindandfixaproblemintheincredible(atleasttohiscustomers!)timeof1hour.Hewill,however

4、,havetospendanextrahoureachmorningadjustingthecomputerizeddiagnosticdevice.Whatwillbetheimpactonhisproductivityifhepurchasesthedevice?ANSWER:Problem3:JoannaFrenchiscurrentlyworkingatotalof12hoursperdaytoproduce240dolls.Shethinksthatbychangingthepaintusedforthefac

5、ialfeaturesandfingernailsthatshecanincreaseherrateto360dollsperday.Totalmaterialcostforeachdollisapproximately$3.50;shehastoinvest$20inthenecessarysupplies(expendables)perday;energycostsareassumedtobeonly$4.00perday;andshethinkssheshouldbemaking$10perhourforherti

6、me.Viewingthisfromatotal(multifactor)productivityperspective,whatisherproductivityatpresentandwiththenewpaint?CurrentlyUsingthenewpaintLabor12hrs*$10=$12012hrs*$10=$120Material240*$3.50=$840360*$3.50=$1260Supplies=$20=$20Energy=$4=$4TotalInputs=$984=$1404Producti

7、vity240/984=0.24360/1404=.264Problem4:Howwouldtotal(multifactor)productivitychangeifusingthenewpaintraisedMs.French’smaterialcostsby$0.50perdoll?ANSWER:Ifthematerialcostsincreaseby$0.50perdoll:UsingthenewpaintLabor12hrs*$10=$120Material360*$4.00=$1440Supplies=$20

8、Energy=$4TotalInputs=$1584Productivity360/1584=0.23Problem5:Ifsheusesthenewpaint,bywhatamountcouldMs.French’smaterialcostsincreasewithoutreducingtotal(multifac