Discount a series of cash flows to net present value; a positive NPV means the project is worth pursuing.
| 期数 | 现金流 | 折现因子 | 现值 | 累计 NPV |
|---|
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Net present value | NPV = Σ C_t/(1+r)^t − C₀ | Fisher 1930 / Brealey textbook |
| Decision rule | Accept if NPV>0 | Modern capital budgeting rule |