# A problem of energy economics

2022-02-02 16:45:19

There is a project , Its cash flow is ： Paid at the end of the first year 1000 Ten thousand yuan , Paid at the end of the second year 1500 Ten thousand yuan , Third year earnings 200 Ten thousand yuan , Fourth year earnings 300 Ten thousand yuan , Fifth year earnings 400 Ten thousand yuan , The first 6 To 10 Annual income 500 Ten thousand yuan , Income in the eleventh year 450 Ten thousand yuan , Income in the 12th year 400 Ten thousand yuan , Income in the 13th year 350 Ten thousand yuan , Income in the 14th year 400 Ten thousand yuan , Set annual interest rate 12%, Find present value , Final value , And the equivalent of the project at the end of the second year .