【答案解析】当资本成本率为10%,净现值为149.045万元,说明内含报酬率大于10%,提高折现率到16%进行测试。
净现值=175×(P/A,16%,6)+30×(P/F,16%,6)-630
=175×3.6847+30×0.4104-630
=644.8225+12.3120-630
=27.1345(万元)
净现值仍大于0,说明内含报酬率大于16%,提高折现率到18%进行测试。
净现值=175×(P/A,18%,6)+30×(P/F,18%,6)-630
=175×3.4967+30×0.3704-630
=611.9225+11.1120-630
=-6.9655(万元)
采用插入法进行计算,内含报酬率=
