1.净现值(NPV)=200×(P/A,10%,10)×(P/F,10%,2)+100×(P/F,10%,12)-500-500×(P/F,10%,1) =92.95(万元)
NPV=-500-500*(P/F,10%,1)+200*(P/A,10%,10)*(P/F,10%,2)+100*(P/F,10%,12) =-500-500*0.9091+200*6.1446*0.8264+100*0.3186 =92.89