chapter # 15 solutions- engineering economy, 7 th editionleland blank and anthony tarquin

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  • 7/23/2019 Chapter # 15 Solutions- Engineering Economy, 7 th editionLeland Blank and Anthony Tarquin

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    ?

    Wkir}hk`w }k b`m%kc%gjov}bt vtkdibewB`ah`bbth`a Bgk`kex) 1}j bmh}hk`

    Ibio`m Dio`n o`m O`}jk`x ]otqrh`

    Gjov}bt ?2

    Gkw} Bw}heo}hk`

    ?2.? To`nh`a ekw} }heb }k ibow} }heb< mb}ohibm bw}heo}b) mbwha` 36%?66" gkevib}b) vot}hoiixmbwha`bm) ktmbt kc eoa`h}rmb) wgkvh`a+cbowhdhih}x

    ?2.4 Wrvvihbw< OKG H`w}oiio}hk`< CGH`wrto`gb< OKG Mbihsbtx gjotabw< CGBqrhveb`} gkw}< CG Iodkt gkw}< OKGR}hih}x gkw}< OKG

    ?2.7 Goigrio}b }ozbw *O() eonb dhmw *B() vox dk`rwbw *O() mb}bteh`b vtkch} kt ikww *O()vtbmhg} woibw *B() wb} vthgbw *O() bsoiro}b vtkvkwoiw *B() mhw}thdr}b tbwkrtgbw *B() vio`vtkmrg}hk` *B() o`m wb} akoiw *B(

    ?2.= Dk}}ke%rv< H`vr} 5 gkw} bw}heo}bw> Kr}vr} 5 tbqrhtbm vthgb]kv%mk`< H`vr} 5 gkevb}h}hsb vthgb> Kr}vr} 5 gkw} bw}heo}bw

    ?2.2 Vtklbg} w}occ *M() Ormh} o`m ibaoi *H() R}hih}hbw *H() Tb`} *H() To eo}bthoiw *M() Bqrhveb`}}toh`h`a *M() Vtklbg} wrvvihbw *M() Iodkt *M() Omeh`hw}to}hsb w}occ *H() Ehwgbiio`bkrw kcchgbwrvvihbw *H(

    ?2.3 Ihgb`wb vio}b *h`mhtbg}() Mthsbtw ihgb`wb *h`mhtbg}() Aowkih`b *mhtbg}() Jhajox}kii cbb *h`mhtbg}) wh`gb h} hw rwroiix o` kv}hk` }k gjkkwb o `k`%}kii tkr}b() Khi gjo`ab*mhtbg}() Tbvohtw oc}bt gkiihwhk` *h`mhtbg}() Aowkih`b }oz *mhtbg}) wh`gb h} hw o vot} kc }jbmhtbg} gkw} kc aow) Ek`}jix iko` voxeb`} *h`mhtbg}() O``roi h`wvbg}hk` cbb *h`mhtbg}()Aotoab tb`}oi *h`mhtbg}(

    ?2.1 Gk`gbv}roi mbwha` w}oab bw}heo}bw otb goiibm ktmbt%kc eoa`h}rmb bw}heo}bw o`m}jbx wjkrim db h}jh` 46" kc }jb og}roi gkw}

    ?2.: Gkw} 5 ?46*2:?8( 5 -38:7

    ?2.8 Gkw} 5 366*=166( 5 -4):46)666

    ?2.?6 Bw}heo}bm gkw} 5 =83*3666(5 -4)813)666

    ?2.?? Gkw} 5 ?)726)666*?16+687(5 -4)=31)1=4

    ?2.?4 Gkw}+skireb 5 ?:2+^*?c}4(*?6 c}(U 5 -?:26 c}7

  • 7/23/2019 Chapter # 15 Solutions- Engineering Economy, 7 th editionLeland Blank and Anthony Tarquin

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    4

    ?2.?7 Jbhaj} 5 ??=+122 5 ?2? cbb}

    ?2.?= *o( Gkw} vbt mox 5 4*13( . 2:6 5 -174 vbt moxGkw} vbt grdhg xotm 5 174+?36 5 -=2: vbt grdhg xotm

    *d( Gkw} 5 =2:*23( 5 -42346

    ?2.?2 *o( Gtb gkw} vbt mox 5 :^42:2 . 4:36 . 2*4742( . 7?=2U 5 -?3?146

    *d( Gkw} vbt grdhg xotm 5 ?3?146+?36 5 -?6?? vbt grdhg xotm

    *g( Gkw} ckt 426 grdhg xotmw 5 ?6??*426( 5 -4241

    ?2.?3 *o( Gkw} 5 ?46*4?7? . 266( 5 -7?21

    *d( Gkw} 5 23:: . 3=46 . 766 5 -?4)=6:

    *g( Gkw} 5 ?331*?72( . ?46*4?7?( . 7=6*11:( . 23:: . 44=6*7?7(5 -46)?24

    ?2.?1 Gkw} h` ]bzow 5 ?6)266*:66(*6138(5 -3)=28)366

    Gkw} h` Goihckt`ho 5 ?6)266*:66(*?6:2(5 -8)??=)666

    ?2.?: Ctke ]odib ?2%7) h`mbz soirb h` 466? 5 37=7> h`mbz soirb h` ehm%46?6 5 ::71

    G} 5 76)666)666*::71+37=7(5 -=?)182)3:6

    ?2.?8 ]k josb h`mbz soirb kc ?66 h` xbot 4666) erw} mhshmb dx 344?

    *o( @b h`mbz soirb h` ?882 5 2=1?+344?5 :18==?

    *d( @b h`mbz soirb h` 4668 5 :216+344?5 ?711284

    ?2.46 *o( Chtw} ch`m }jb gkevkr`mbm vbtgb`}oab h`gtbowbv db}bb` ?882 o`m 4662

    1==3 5 2=1? *C+V)v)?6(?73688 5 *?.v(?6

    v 5 667?7 kt 7?7 " vbt xbot

  • 7/23/2019 Chapter # 15 Solutions- Engineering Economy, 7 th editionLeland Blank and Anthony Tarquin

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    7

    Vtbmhg}bm h`mbz soirb h` 4668 5 1==3*C+V)7?7")=(5 1==3*?.667?7(=5 :=47

    *d( Mhccbtb`gb 5 :216 :=47

    5 ?=1 *r`mbtbw}heo}b(

    ?2.4? O} ?" vbt ek`}j) o``roi h`gtbowb 5 *? . 66?(?4 %? 5 ?43:"

    H`mbz soirb 5 ?66*??43:( 5 ??43:

    ?2.44 Ib} c 5 h`cio}hk` to}b

    *o( c 5 *::717: :23772(+:23772 5 6674

    *d( GGH 5 ::717:*? . c(7

    5 ::717:*?674(

    7

    5 81?74?

    ?2.47 Gkw} 5 ?8=*?=3?7+1:83(5 -728

    ?2.4= Soirb h` @X 5 2=7 ehiihk`*?4)7:?=6+=:1=63( 5 -?718= ehiihk`

    ?2.42 GGH h` ?831 5 ::7171+:4414 5 ?61=?3

    ?2.43 8322 5 *Gkw} h` ?8?7(*416:2?+?66(

    Gkw} h` ?8?7 5 -723 vbt }k`

    ?2.41 *o( =6)666 5 4?)11?*C+V)43:")`(=6)666 5 4?)11?*? . 6643:(`

    ?:717? 5 *?643:(`

    ika ?:717? 5 `*ika ?643:(` 5 47

    Xbot 5 46?6 % 475 ?8:1

    *d( H`mbz soirb 5 ?=3?7+*?643:(

    47

    5 182=

    ?2.4: ]jb iodkt gkw} h`mbz vtkdodix h`gtbowbm dx ektb }jo` 4"

    ?2.48 *o( Gkw} 5 4:)666^*?42+466(638

  • 7/23/2019 Chapter # 15 Solutions- Engineering Economy, 7 th editionLeland Blank and Anthony Tarquin

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    =

    5 -46)4=2

    *d( Gkw} 5 =?66^*?166+866(631

    5 -341:

    ?2.76 G4 5 ?7)666*266+=(

    671

    5 - 11)2:8

    ?2.7? G4 5 2:):86*4+612(62:

    5 -?6=)6?1

    ?2.74 Rwb }jb whz%}b`}jw ekmbi> bzvk`b`} 5 636

    46)666 5 G?*766+?66(636 5 ?877?:G?

    G? 5 -?6)7=3

    ?2.77 ?24G? 5 G?*3:+76(z

    ika ?24 5 z ika 4431

    z 5 62?

    ?2.7= Otbo kc ?4 vhvb 5 *?(4+=

    5 61:2 c}4

    Otbo kc 4= vhvb 5 *4(4+=

    5 7?=4 c}4

    4147 5 ?42=*7?=4+61:2(z4?1 5 =66

    z

    ika 4?1 5 z ika =

    6773 5 6364zz 5 623

    ?2.72 Rwb Bqro}hk` ^?2=U o`m ]odib ?2%7

    Gkw} 5 ?4 ehiihk`^=26)666+?66)666(631

    U*212:+78=7(5 -=: ehiihk`

    ?2.73 Gkw} 5 7126*4(6:8

    *?3463+??6=4(5 -?6)?88

    ?2.71 Ib} G? 5 gkw} h` ?88:> Ctke ]odib ?2%7) E # W h`mbz soirbw otb ?63?8 h`?88: o`m ?==87 h` 466:

    713)866 5 G?*?==87+?63?8(*=(63?

    G6 5 -??:)2=:

    ?2.7: G4 5 68=4G? 5 G?*4(z

  • 7/23/2019 Chapter # 15 Solutions- Engineering Economy, 7 th editionLeland Blank and Anthony Tarquin

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    ika 68=4 5 z ika 4z 5 %66:34

    ?2.78 G] 5 442*?):66)666( 5 -=)626)666

    ?2.=6 ?)746)666 5 j*442)666(j 5 2:1

    ?2.=? G] 5 *? .?74 . 6=2(*:16)666(5 -4)=68)866

    ?2.=4 Chtw} ch`m mhtbg} gkw}> }jb` eri}hvix dx h`mhtbg} gkw} cog}kt to}b 5 766)666+726)666 5 6:21 vbt ehibWkr}j< Iodkt dowhw> to}b 5 466)666+46)666 5 -?6 vbt jkrt

    Ehm}k`< Iodkt dowhw> to}b 5 =26)666+3=)666 5 -167 vbt jkrt

    *d( @kt}j< 412)666*6:21( 5 -472)312Wkr}j< 7?)666*?6( 5 -7?6)666

    Ehm}k`< 22)266*167( 5 -786)?32

    Vbtgb`} mhw}thdr}bm 5 *472)312 . 7?6)666 . 786)?32(+?4 ehiihk` ?66" 5 1:"

    ?2.=: To}b ckt GG?66 5 42)666+:66 5 -7?42 vbt jkrtTo}b ckt GG??6 5 26)666+466 5 -426 vbt jkrtTo}b ckt GG?46 5 12)666+?466 5 -3426 vbt jkrtTo}b ckt GG?86 5 ?66)666+?366 5 -3426 vbt jkrt

    ?2.=8 *o( Ctke Bqro}hk` ^?2:U) bw}heo}bm dowhw ibsbi 5 }k}oi gkw}w oiikgo}bm+to}b

    Ek`}j Dowhw Ibsbi Dowhw[[[[[[[[[[Cbdtrotx 4:66+?=6 5 4666 WvogbEotgj 7=66+?77 5 4223 Mhtbg} iodkt gkw}wOvthi 7266+?71 5 4222 Mhtbg} iodkt gkw}wEox 7366+?67 5 7=82 WvogbLr`b 3666+68 5 3244 Eo}bthoi gkw}w

    *d( ]jb k`ix ox }jb to}b gkrim mbgtbowb hw dx wh}gjh`a }jb oiikgo}hk` dowhw ctke ek`}j}k ek`}j Hc o wh`aib oiikgo}hk` dowhw jom dbb` rwbm }jtkrajkr}) }jb to}b krim josbjom }k h`gtbowb ckt bogj dowhw Ckt bzoevib) hc wvogb jom dbb` rwbm ckt bogj ek`}j)}jb ek`}jix to}bw krim josb dbb`