IRR内部报酬率 and NPV净现值计算问题.

PSBABY

哪位高人帮个忙,下面表格数据Economic assessment of the biogas project on ....farm 是怎么得来的,简单写一下就可以.$送花$

The farm is the breeding base initiated by the …….

The principal equipment and construction includes: 24 135 million as the estimated investment for the project with 28 145 million as its total interest investment in the construction period, of which 0,486 million is the construction of the project.

The utilization of biogas: The average daily biogas production of the project is 500m3, of which 30m3 is used by the canteen for cooking and the rest is used to generate electricity (50kW).  The daily electricity generation is 850 kWh, which is used to provide the production of the breeding farm, the sewage treating station and office and public life with electricity.

The utilization of residue.  Daily production of residue from the sewage treating station is 100t.  The residue is used in the cultivation of environment protecting vegetables, fish pond and meadow irrigation…….

The profit of the project totals: 0,655 million yuan/year, which includes:
Income of 0,205 million yuan/year from biogas (income from electricity generation included);
Income of 0,33 million yuan/year from other by product;
Reduction of the fine of 0,12 million yuan for environment protection.
Economic assessment of the biogas project on ....farm
                                                                   Financial assessment             Economic assessment               Repayment time
                                                                                                                                                                     (financial)
                                                                       NPV         IRR (%)             NPV           IRR (%)             
                                                                 (10 000yuan)                     (10 000yuan)
Repayment of capital with interest                      217,8      11,26                 1907,8         19,04                   7 years
Repayment of capital with fall interest (10%)    -1267,5     3,34                     334          13,88                      16 years
Repayment of capital with interest (5%)             -292,5     8,43                    781,6         16,70                     10 years
Repayment of capital with interest (5%) +          262,2     11,58                   781,6         16,70                     7 years
income tax free for 5 years

[ 本帖最后由 PSBABY 于 2007-10-1 18:04 编辑 ]