Compensation costs of key management for the years ended December 31, 2015, 2016 and 2017 are as follows:
| (In millions of won) | ||||||||||||
| 2015 | 2016 | 2017 | ||||||||||
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Short-term benefits |
2,940 | 2,323 | 3,724 | |||||||||
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Expenses related to the defined benefit plan |
378 | 897 | 488 | |||||||||
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| 3,318 | 3,220 | 4,212 | ||||||||||
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