| Year | Discount rate | Option A PV (ten thousand yuan) | Option B PV (ten thousand yuan) |
| 0 | 1 | −2000 | −2000 |
| 1 | 0.952 | 476 | 1047.2 |
| 2 | 0.907 | 907 | 544.2 |
| 3 | 0.864 | 604.8 | 432 |
| 4 | 0.823 | 164.6 | 246.9 |