The twelfth edition of the market-leading Engineering Economic Analysis offers comprehensive coverage of financial and economic decision making for engineers, with an emphasis on problem solving, life-cycle costs, and the time value of money. The authors' concise, accessible writing, practical emphasis, and contemporary examples linked to students' everyday lives make this text the most popular among students. New to the Twelfth Edition * 500 new or revised problems-- answers to most even problems now in Appendix E * Six new and nine updated chapter-opening vignettes provide extended real-world examples * Twenty new Excel tutorial videos added to the updated set of thirty-six from the eleventh edition * New visual "five-button solutions" help simplify the use of spreadsheets and calculators * A new Appendix 12A aggregates coverage of personal income taxes , which now includes time value of money problems.The twelfth edition of the market-leading Engineering Economic Analysis offers comprehensive coverage of financial and economic decision making for engineers, with an emphasis on problem solving, life-cycle costs, and the time value of money. The authors' concise, accessible writing, practical emphasis, and contemporary examples linked to students' everyday lives make this text the most popular among students. In addition, with its extensive support package and logical progression of topics, this is the easiest book to teach from.