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chapter 1 introduction to engineering economy£¨¹¤³Ì¾­¼Ãѧ¸ÅÊö£© 1
1.1 introduction 1
1.2 the principles of engineering economy 2
1.3 engineering economy and the design process 5
1.4 using spreadsheets in engineering economic analysis 11
1.5 summary 11
chapter 2 cost concepts and design economics£¨³É±¾¸ÅÄîºÍÉè¼Æ¾­¼Ãѧ£© 15
2.1 cost terminology 15
2.2 the general economic environment 21
2.3 cost-driven design£¨³É±¾Çý¶¯Éè¼Æ£©optimization 28
2.4 present economy studies 32
2.5 case study¡ªthe economics of daytime running lights 36
2.6 summary 37
appendix 2-a accounting fundamentals 46
chapter 3 cost-estimation techniques£¨³É±¾Ô¤²â¼¼Êõ£© 52
3.1 introduction 52
3.2 an integrated approach 54
3.3 selected estimating techniques (models) 59
3.4 parametric cost estimating 63
3.5 case study¡ªdemanufacturing of computers 70
3.6 summary 72
chapter 4 the time value of money£¨»õ±ÒµÄʱ¼ä¼ÛÖµ£© 79
4.1 introduction 79
4.2 simple interest£¨µ¥Àû£© 80
4.3 compound interest£¨¸´Àû£© 81
4.4 the concept of equivalence£¨×ʽðÓÐʱ¼ä¼ÛÖµ£© 81
4.5 notation and cash-flow diagrams and tables 83
4.6 relating present and future equivalent values of single cashflows 86
4.7 relating a uniform series (annuity) to its present and futureequivalent values 90
4.8 summary of interest formulas and relationships for discretecompounding 97
4.9 deferred annuities (uniform series) 98
4.10 equivalence calculations involving multiple interest formulas99
4.11 uniform (arithmetic) gradient of cash flows 103
4.12 geometric sequences of cash flows 107
4.13 interest rates that vary with time 110
4.14 nominal and effective interest rates 111
4.15 compounding more often than once per year 113
4.16 interest formulas for continuous compounding and discrete cashflows 115
4.17 case study¡ªunderstanding economic ¡°equivalence¡± 117
4.18 summary 119
chapter 5 evaluating a single project£¨µ¥Ò»ÏîÄ¿ÆÀ¹À£© 136
5.1 introduction 136
5.2 determining the minimum attractive rate of return (marr)137
5.3 the present worth method 138
5.4 the future worth method 143
5.5 the annual worth method 144
5.6 the internal rate of return method 147
5.7 the external rate of return method 154
5.8 the payback (payout) period method£¨Í¶×Ê»ØÊÕÆÚ·¨£© 156
5.9 case study¡ªa proposed capital investment to improve processyield 157
5.10 summary 159
appendix 5-a the multiple rate of return problem with the irrmethod 171
chapter 6 comparison and selection among alternatives£¨±¸Ñ¡·½°¸µÄ±È½ÏÓëÑ¡Ôñ£©174
6.1 introduction 174
6.2 basic concepts for comparing alternatives 175
6.3 the study (analysis) period 178
6.4 useful lives are equal to the study period 178
6.5 useful lives are unequal among the alternatives 191
6.6 personal finances 199
6.7 case study¡ªned and larry¡¯s ice cream company 202
6.8 postevaluation of results 204
6.9 summary 204
chapter 7 depreciation and income taxes£¨ÕÛ¾ÉÓëËùµÃË°£© 223
7.1 introduction 223
7.2 depreciation concepts and terminology 224
7.3 the classical (historical) depreciation methods 226
7.4 the modified accelerated cost recovery system 229
7.5 a comprehensive depreciation example 235
7.6 introduction to income taxes 237
7.7 the effective (marginal) corporate income tax rate 239
7.8 gain (loss) on the disposal of an asset 242
7.9 general procedure for making after-tax economic analyses242
7.10 illustration of computations of atcfs 245
7.11 economic value added 252
7.12 summary 254
chapter 8 price changes and exchange rates£¨¼Û¸ñ±ä¶¯Óë»ãÂÊ£© 266
8.1 introduction 266
8.2 terminology and basic concepts 267
8.3 fixed and responsive annuities 271
8.4 differential price changes 274
8.5 spreadsheet application 276
8.6 foreign exchange rates and purchasing power concepts 277
8.7 case study¡ªselecting electric motors to power an assembly line280
8.8 summary 282
chapter 9 replacement analysis