EXCEL: MICROSOFT EXCEL 2010: DATE ANALYSIS & BUSINESS NHM 13: STT 1 2 3 4 H tn Nguyn Th Hoa Nguyn Th Huyn Nguyn Th Ngc Hoa Nguyn Th Thy Cng vic Dch t trang 604-617 Dch t trang 618-631 Dch t trang 632-646 Dch t trang 647-660, Hiu chnh vn bn chung Dch t 661-674 im t nh gi 9 9 9 9

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Mc Lc CHNG 74: QUYN CHN GI C PHIU.................................593 H thng cc cu hi trong chng:..................................................593 Tr li h thng cc cu hi:.............................................................594 1. Quyn chn bn, quyn chn mua l g?..............................594 2. S khc nhau gia quyn chn M v quyn chn chu u: 594 3. Da vo hm ca gi c phiu vo ngy thc hin, li nhun nh th no cho quyn chn chu u v quyn chn M:........................594 4. Tham s xc no nh gi tr ca quyn chn:.....................595 5. Lm cch no no c lng c s bin ng ca chng khon da vo s liu c thu thp c?........................................596 6. Lm cch no ti c th s dng Excel thc hin cng thc Black-Scholes?.....................................................................................597 7. S thay i ca cc tham s chnh nh hng nh th no n gi tr ca quyn chn mua v quyn chn bn:.................................598 8. Lm cch no s dng cng thc Black-scholes c lng s bin ng ca gi c phiu:.........................................................599 9. Ti khng mun ngi khc thay i cc cng thc ca mnh.Lm cch no ti c th bo v cc worksheet sao cho khng ai c th thay i c?..............................................................................................600 10. Lm cch no ti c th s dng cng thc nh gi quyn chn gip cng ty mnh c mt quyt nh sng sut hn:...................602 CC VN :..................................................................................604 CHNG 75 : XC NH GI TR KHCH HNG.......................606 H thng cc cu hi trong chng :.................................................606 Tr li h thng cc cu hi :............................................................606 1. Mt cng ty th tn dng hin ti c t l duy tr l 80%. Lm cch no kh nng sinh li nhun ca cng ty c ci thin nu t l duy tr tng ti 90% hoc cao hn...............................................................606587

2. Mt cng ty in thoi ng di mang n cho cc khch hng ca i th cnh tranh mt ng c chuyn i. Liu iu s cho mt s khuyn khch ln?.....................................................................608 CC VN :..................................................................................610 CHNG 76: M HNH T HNG TN KHO............................611 H thng cc cu hi trong chng:..................................................611 Tr li h thng cc cu hi:............................................................612 1. Mt ca hng in t bn 10.000 in thoi di ng mi nm. Mi ln mt n t hng c t cho vic cung cp in thoi di ng, ca hng phi chu mt chi ph t hng l 10 la. Ca hng tr 100 la cho mi in thoi di ng, v chi ph lu gi mt in thoi di ng tn kho trong mt nm c gi nh l 20 la. Khi ca hng t hng in thoi di ng, n nn l mt n t hng ln nh th no? 612 2. Mt nh my sn xut my tnh sn xut 10.000 my ch mi nm. Chi ph sn xut mi my ch l 2.000 la. Chi ph ci t cho my ch hot ng l 200 la, v chi ph cho mt my ch tn kho trong mt nm l 500 la. Nh my c th sn xut 25.000 my ch mi nm nu mun. Vy khi nh my sn xut my ch,n nn sn xut mt l ln nh th no?...........................................................................614 EOB gi nh rng nhu cu xy ra mt t l tng i n nh trong sut c nm. EOB khng nn c s dng cho cc sn phm c nhu cu theo ma..............................................................................................616 CC VN ...................................................................................616 CHNG 77:M HNH HA HNG TN KHO VI NHU CU KHNG BIT TRC................................................................................617 H thng cc cu hi trong chng:..................................................617 Tr li h thng cc cu hi..............................................................618 1. Ti mc tn kho no ti nn t mt n t hng nu mc tiu ca ti l gim thiu lng lu gi hng nm, s n t hng, v chi ph thiu ht?................................................................................................618 2. Mc dch v 95% c ngha l g?.........................................620 CC VN N:...............................................................................623

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CHNG 78: L THUYT HNG I: TON HC CA S CH I XP HNG...........................................................................................624 H thng cc cu hi trong chng:..................................................624 Tr li h thng cc cu hi:.............................................................624 1. Nhng yu t no c th nh hng n s lng ngi v thi gian chng ta dnh ch i trong hng i...................................624 2. Nhng iu kin no cn c p ng trc khi phn tch s lng trung bnh ca ngi dn hin nay hay thi gian trung bnh dnh cho mt h thng xp hng?........................................................................625 3. Ti sao khng bin i lm gim hiu sut ca mt h thng xp hng? 626 CC VN :..................................................................................629 CHNG 79: C TNH NG CU..........................................630 H thng cc cu hi trong chng:..................................................630 Tr li h thng cc cu hi..............................................................630 1. Lm th no nh gi cho sn phm?..............................630 2. H s co gin ca ng cu l g?......................................631 3. C cch thc no c tnh ng cu mt cch n gin? 631 4. ng cu cung cp cho chng ta nhng g v vic khch hng c sn sng tr tin cho sn phm ca chng ta hay khng?..........634 CC VN :..................................................................................634 CHNG 80: TNH GI C SN PHM BNG CCH S DNG LIN KT.....................................................................................................635 H thng cc cu hi trong chng:..................................................635 1. Lm th no thc t m khch hng mua li dao co cng nh dao co c nh hng n mc gi ti a li nhun ca dao co ru? 635 CC VN :................................................................................639 CHNG 81: - DNH GI CHO CC SN PHM BNG CCH XC INH NHU CU CH QUAN CA KHCH HNG..................640 H thng cu hi trong chng:.......................................................640 Tr li h thng cc cu hi:...........................................................640589

1. i khi ti khng bit c co gin ca gi cho mt sn phm.Trong tnh hung khc, ti khng tin rng mt ng cu tuyn tnh hoc in c lin quan.Ti vn c th c tnh mt ng cong nhu cu v s dng Slover xc nh mt mc gi ti a ha li nhun?................640 2. Mt hiu thuc nh c th xc nh c mc gi lm ti a ha li nhun cho sn phm l son mi nh th no?...........................640 CC VN :.................................................................................644 CHNG 82:- GI C PHI TUYN.................................................645 H thng cu hi trong chng:.......................................................645 Tr li h thng cc cu hi:............................................................645 1. Gi c tuyn tnh l g?..........................................................645 2. Gi c phi tuyn l g?...........................................................645 n? 3. Gi hng l g, v lm th no c th tng li nhun cho 647

4. Lm th no c th tm ra 1 k hoch ti a ha li nhun gi c phi tuyn?...........................................................................................648 CC VN ...................................................................................654 CHNG 83: CNG THC MNG V HM.................................655 H thng cu hi trong chng:........................................................655 Tr li h thng cu hi :...................................................................656 1. Cng thc mng l g ?..........................................................656 2. Lm th no ti gii thch c cc cng thc, v d nh : (D2 :D7)E2 :E7) v SUM((D2 :D7)*(E2 :E7))...........................................656 3. Ti c mt danh sch cc tn trong mt ct. Cc tn ny thay i thng xuyn. Phi chng c mt cch d dng chuyn cc tn c lit k ti mt hng v vy m c th thay i tn trong ct ban u c phn nh trong hng mi ?..............................................................658 4. Ti c mt danh sch li nhun chng khon hng thng. C cch no xc nh tr v li nhun ca 20% thng qua 30% , 10% thng qua 20% , t 10% thng qua 0%, v nh vy s t ng cp nht nu thay i d liu ban u...............................................................................658 5. Ti c th vit mt cng thc tng hp cc ch s th hai ca mt danh sch s nguyn khng ?..............................................................660590

6. Ti c th vit mt cng thc tnh trung bnh tt c cc s trong danh sch ln hn gi tr trung bnh ca danh sch ny ?.............662 7. Ti c mt c s d liu bn hng ca mt cng ty trang im nh, lit k cc nhn vin bn hng, sn phm, n v c bn, v s tin cho mi giao dch. Ti bit ti c th s dng Hm c s d liu thng k hay COUNTIFS, SUMIFS, v AVERAGEIFS tng kt d liu ny, nhng ti cng c th s dng Hm mng tng kt d liu v tr li nhng cu hi nh bao nhiu n v trang im mt ngi bn hng bn ra, s lng son mi c bn, s lng c bn bi mt nhn vin bn hng c th hoc l 1 loi son mi c bn ?..........................663 8. Hng s mng l g v lm th no ti c th s dng chng ? 666 9. Lm th no chnh sa cc cng thc mng ?................667 10. Da vo doanh thu hng qu cho mt ca hng chi, ti c th d on c xu hng v thi v doanh thu ca ca hng........667 CC VN :..................................................................................672 CHNG 84: POWERPIVOT.............................................................676 H thng cc cu hi trong chng:..................................................676 Tr li h thng cc cu hi..............................................................676 1. Lm th no c d liu PowerPivot?...............................676 2. Lm th no s dng PowerPivot to ra mt PivotTable? 683 3. Lm th no ti c th s dng my ct vi PowerPivot?....685 DAX chc nng l g?...................................................................686 DAX chc nng l g?

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CHNG 74: QUYN CHN GI C PHIU

H thng cc cu hi trong chng: 1. 2. Quyn chn bn l g v quyn chn mua l g? 3. S khc nhau gia quyn chn Chu u v quyn chn M? 4. Da vo hm ca gi c phiu vo ngy thc hin, li nhun nh th no cho quyn chn chu u v quyn chn M? 5. Tham s no xc nh gi tr ca quyn chn? 6. Lm cch no c lng s bin ng ca gi c phiu da vo s liu c? 7. Lm cch no s dng Excel thc hin cng thc Black Scholes? 8. S thay i ca cc tham s chnh nh hng nh th no n gi tr ca quyn chn? 9. Lm cch no dung cng thc Black-Scholes trong vic c lng s bin ng ca gi c phiu?

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10. Ti khng mun ngi khc thay i cng thc tnh gi quyn chn. Lm cch no ti c th bo v cc cng thc ca ti trong worksheet sao cho khng ai c th thay i n c? 11. Lm cch no s dng cch nh gi quyn chn gip cng ty c 1 mt quyt nh ng n hn? Trong sut nhng nm u ca thp nin 70, nh kinh t Fisher Black, Myron Scholes v Robert Merton tm ra cng thc Black Scholes cho php chng ta tm ra cch nh gi quyn chn M v Chu u. Scholes v Merton c nhn gii thng Nobel kinh t vo nm 1997 cho nhng cng sc ca h.(Black mt trc nm 1997 v gii thng Nobel khng c tng sau khi ng mt). Cng trnh ca h m ra mt cuc cch mng ti chnh v trong chng ny chng ta s i su tm hiu v tm quan trng ca nhng cng trnh . Ghi ch: Nhng gii thch su hn mang tnh cht chuyn mn c th tm thy ti cun sch ca David G.Luenbenger Khoa hc u t ( Investment Science) ca nh xut bn Oxford, nm 1997.

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Tr li h thng cc cu hi: 1. Quyn chn bn, quyn chn mua l g? Quyn chn mua trao cho ch s hu ca quyn chn quyn c mua c phiu ti mt mc gi c gi l mc gi nh trc. Cn quyn chn mua to cho ngi nm gi quyn chn quyn c bn c phiu ti mt mc gi nh trc. 2. S khc nhau gia quyn chn M v quyn chn chu u: Quyn chn M c th c thc hin vo mt ngy nh trc hoc trc ngy ( ngy nh trc thng c nhc n nh l k hn).Ngc li, quyn chn chu u ch c th thc hin vo mt ngy duy nht c nh trc. 3. Da vo hm ca gi c phiu vo ngy thc hin, li nhun nh th no cho quyn chn chu u v quyn chn M: Hy nhn vo cc dng tin mt t quyn chn chu u 6 thng ca c phiu IBM vi mc gi nh trc l 110 la. t P l gi c phiu ca IBM trong 6 thng.Li nhun ca 1 quyn chn mua l 0 la nu P110. Vi gi tr ca P< 110 bn s khng thc hin quyn chn nhng vi P>110 bn s thc hin quyn chn mua c phiu ca IBM ti mc gi 110 v ngay lp tc bn li c phiu ti mc gi P thu c li nhun P-110. Hnh 74-1 th hin li nhun t quyn chn bn ny. Tm li, quyn chn mua tr 1 la cho mi la m gi c phiu cao hn mc gi nh trc. Li nhun ca quyn chn mau ny c th c vit l Max( 0, P-110). Lu rng th quyn chn mua trn hnh 74-1 th hin rng, d dc ca th l 0 nu p nh hn mc gi nh trc v dc l 1 nu p ln hn mc gi nh trc.

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Hnh 74-1 Cc dng tin mt t quyn chn mua C th thy rng nu c phiu khng tr c tc th thc hin quyn chn trc ngy k hn khng bao gi ti u ha li ch. V th vi c phiu khng tr li tc nh k, quyn chn chu u v quyn chn M ging nhau. By gi hy nhn vo dng tin t quyn chn bn chu u 6 thng ca c phiu IBM vi mc gi nh trc l 110 la. Gi P l gi c phiu ca IBM trong 6 thng. Nu P> 110 th li nhun l 0 la trong khi, nu P