Chapter 4 Fig.4.2 Cash flow diagram 的 Benefits O&M costs Large replacement costs Initial construction costs time n
Chapter 4 Fig. 4.2 Cash flow diagram
Chapter 4 计算基准年Datum Year Considering time value of money,fund is different value at different time. Generally ● Initial construction Theoretically Initial production any time of Initial operation calculating period
Chapter 4 计算基准年 Datum Year Considering time value of money , fund is different value at different time. Generally • Initial construction • Initial production • Initial operation Theoretically , any time of calculating period
Chapter 4 3）Basic formulas Special Symbols P present value present worth 资金的现值（对基准年而言） a sum of money at present the value of investment at the present,or the value of money expended in the future discounted back to the present
Chapter 4 3） Basic formulas Special Symbols P —— present value / present worth 资金的现值（对基准年而言） a sum of money at present , the value of investment at the present , or the value of money expended in the future discounted back to the present
Chapter 4 Special Symbols Ffinal value future worth 资金的期值或终值 a sum of money at a future time, the value of future investment,or the value of an expenditure in present discounted out to the future time
Chapter 4 F—— final value / future worth 资金的期值或终值 a sum of money at a future time , the value of future investment, or the value of an expenditure in present discounted out to the future time. Special Symbols
Chapter 4 Special Symbols i-interest rate discount rate 银行的利率或折现率 n- number of interest period 计算期的时间（一般以年计）》 the unit is not always years
Chapter 4 Special Symbols i —— interest rate / discount rate 银行的利率或 折现率 n —— number of interest period 计算期的时间（一般以年计） （ the unit is not always years）