净现值(NPV)=155.48(元),该项目净现值大于零,为可行方案。 设利率为24%,净现值(NPV)=一226—24×(P/S,24%,1)+106×(P/S,24%,2)+l11×(P/S,24%,3)+116×(P/S,24%,4)+119×(P/S,24%,5)+158×(P/S,24%,6)=一236—24×0.9091+106×0.8264+111×0.7513+116×0.683+119×0.6209+158×0.5645=4.93(元) 设利率为28%,净现值(NPV)=一236—24×(P/S,28%,1)+106×(P/S,28%,2)+111×(P/S,28%,3)+116×(P/S,28%,4)+119×(P/S,28%,5)+158×(P/S,28%,6)=一23.36(元)