| (7) | As of December 31, 2017, effects on defined benefit obligations if each of significant actuarial assumptions changes within expectable and reasonable range are as follows: |
| (In millions of won) | ||||||||
| 0.5% Increase | 0.5% Decrease | |||||||
|
Discount rate |
₩ | (24,702 | ) | 26,808 | ||||
|
Expected salary increase rate |
26,988 | (25,138 | ) | |||||