IT Project management Basic principles of cost management ( 2) Cash flow analysis(现金流分析) a is determining the estimated annual costs and benefits for a project Internal rate of return(IRR)(内部收益 率) a Is the discount rate that makes net present value equal to zero It is also called the time-adjusted rate of return Project Cost ManagementProject Cost Management 12 Basic Principles of Cost Management (2) ◼ Cash flow analysis（现金流分析） ◼ is determining the estimated annual costs and benefits for a project ◼ Internal rate of return (IRR) （内部收益 率） ◼ Is the discount rate that makes net present value equal to zero. ◼ It is also called the time-adjusted rate of return. IT Project Management