某工程方案的凈現(xiàn)金流量如表所示，假如基準(zhǔn)貼現(xiàn)率為10%，求其凈現(xiàn)值、內(nèi)部收益率、靜態(tài)投資回收期、動(dòng)態(tài)投資回收期。年末1234-78910111213凈現(xiàn)金流量-15000-2500-250040005000600070008000900010000首先畫(huà)現(xiàn)金流量圖，如下：01324658791012111340002500700050009000800010000150006000法一：NPV=-15000(P/F,10%,1)-2500(P/F,10%,2)-2500(P/F,10%,3)(P/F,10%,4)4000(P/F,10%,5)(P/F,10%,6)(P/F,10%,7)(P/F,10%,8)(P/F,10%,9)(P/F,10%,10)(P/F,10%,11)(P/F,10%,12)(P/F,10%,13)=8089.65首先畫(huà)現(xiàn)金流量圖，如下：01324658791012111340002500700050009000800010000150006000法二：NPV=-15000(P/F,10%,1)-2500(P/F,10%,2)-2500(P/F,10%,3)(P/F,10%,4)4000(P/F,10%,5)(P/F,10%,6)(P/F,10%,7)(P/F,10%,8)(P/F,10%,9)(P/F,10%,10)(P/F,10%,11)(P/F,10%,12)(P/F,10%,13)=8089.652500(P/A,10%,2)(P/F,10%,1)4000(P/A,10%,4)(P/F,10%,3)令NPV=0，求出IRR.靜態(tài)投資回期靜態(tài)回收期Pt滿足下式：

計(jì)算公式不考慮資金的時(shí)間價(jià)值實(shí)際工作中常用一種方便的公式：用線性內(nèi)插法計(jì)算年012345678910111213凈現(xiàn)金流量-15000-2500-250040004000400040005000600070008000900010000累計(jì)凈現(xiàn)金流量0-15000-17500-20000-16000-12000-8000-40001000Pt=8-1/5000=7.8動(dòng)態(tài)投資回期動(dòng)態(tài)回收期Pt滿足下式：

計(jì)算公式考慮資金的時(shí)間價(jià)值用線性內(nèi)插法計(jì)算年012345678910111213凈現(xiàn)金流量0-15000-2500-250040004000400040005000600070008000900010000現(xiàn)值系數(shù)10.90910.82640.75130.68300.62090.56450.51320.46650.42410.38550.35050.31860.2897凈現(xiàn)金流量現(xiàn)值0-13637-2066-187827322484225820532333254526992804累計(jì)凈現(xiàn)金流量現(xiàn)值0-13637-15703-