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1、Chapter15:SourcingDecisionsinaSupplyChain1.Withnobuyback:0.571Optimallot-size==NORMINV(0.571,20000,5000)=20,900Giventhat:Barnes&Noble’ssaleprice(p)=$24Barnes&Noble’ssalvagevalue(s=b)=$3Barnes&Noble’scost(c)=$12:ExpectedprofitsforBarnes&Noble’s=(p–s)mNORMDIST((O–m)/s,0,1,1)–(p–s)sN
2、ORMDIST((O–m)/s,0,1,0)–O(c–s)NORMDIST(O,m,s,1)+O(p–c)[1–NORMDIST(O,m,s,1)]=$198,784Expectedoverstock=(O–m)NORMDIST((O–m)/s,0,1,1)+sNORMDIST((O–m)/s,0,1,0)=2,477Expectedunderstock=(m–O)[1–NORMDIST((O–m)/s,0,1,1)]+sNORMDIST((O–m)/s,0,1,0)=1,577Giventhat:Publisher’ssaleprice(c)=$12Pu
3、blisher’sbuybackprice(b)=$0Publisher’scost(v)=$1Publisher’sexpectedprofit=O(c-v)–(overstock)(b)=$229,901Totalsupplychainprofit=$198,784+$229,901=$428,685Withbuyback:WereevaluatetheprofitsforBarnes&Noble’s(withc=b=8)andthepublisher(withb=5)Barnes&Noble’sordersize,O*23372Expectedove
4、rstock4118Expectedunderstock746ExpectedprofitforBarnes&Noble’s=$214,578Expectedprofitforpublisher=$236,506Totalsupplychainprofit=$451,084EXCELWorksheet15-1illustratesthesecomputations2.Withnobuyback:0.666Optimallot-size==NORMINV(0.666,10000,5000)=12,144Giventhat:VideosRUs’salepric
5、e(p)=$19.99VideosRUs’salvagevalue(s=b)=$4.99VideosRUs’cost(c)=$10:ExpectedprofitsforVideosRUs=(p–s)mNORMDIST((O–m)/s,0,1,1)–(p–s)sNORMDIST((O–m)/s,0,1,0)–O(c–s)NORMDIST(O,m,s,1)+O(p–c)[1–NORMDIST(O,m,s,1)]=$72,609Expectedoverstock=(O–m)NORMDIST((O–m)/s,0,1,1)+sNORMDIST((O–m)/s,0,1
6、,0)=3,248Expectedunderstock=(m–O)[1–NORMDIST((O–m)/s,0,1,1)]+sNORMDIST((O–m)/s,0,1,0)=1,103Giventhat:Studio’ssaleprice(c)=$10Studio’sbuybackprice(b)=$0Studio’scost(v)=$1Publisher’sexpectedprofit=O(c-v)–(overstock)(b)=$109,300Totalsupplychainprofit=$72,609+$109,300=$181,909Withbuyb
7、ack:WereevaluatetheprofitsforVideosRUs(withc=b=8.99)andtheStudio(withb=4)VideosRUs’ordersize,O*16648Expectedoverstock6862Expectedunderstock214ExpectedprofitforVideosRUs=$90,835ExpectedprofitforStudio=$122,386Totalsupplychainprofit=$213,221EXCELWorksheet15-2illustratesthesecomputat
8、ions3.Topgun’sresponse:CSL==0.771
