A quantitative sensitivity analysis for significant assumptions at the end of the reporting period is shown below:
| Increase/ (decrease) in |
Increase/ (decrease) in |
|||||||||||||||
| post-retirement | post-retirement | |||||||||||||||
| Increase | benefit | Decrease | benefit | |||||||||||||
| in rate | obligations | in rate | obligations | |||||||||||||
| % | RMB million | % | RMB million | |||||||||||||
|
2017 |
||||||||||||||||
|
Discount rate for post-retirement benefits |
0.25 | (73 | ) | 0.25 | 77 | |||||||||||
|
Annual increase rate of pension benefits |
1.00 | 283 | 1.00 | (240 | ) | |||||||||||
|
Annual increase rate of medical expenses |
1.00 | 40 | 1.00 | (33 | ) | |||||||||||
|
2016 |
||||||||||||||||
|
Discount rate for post-retirement benefits |
0.25 | (95 | ) | 0.25 | 100 | |||||||||||
|
Annual increase rate of pension benefits |
1.00 | 325 | 1.00 | (275 | ) | |||||||||||
|
Annual increase rate of medical expenses |
1.00 | 46 | 1.00 | (38 | ) | |||||||||||