| (b) | Details of other expenses for the years ended December 31, 2015, 2016 and 2017 are as follows: |
| (In millions of won) | ||||||||||||
| 2015 | 2016 | 2017 | ||||||||||
|
Foreign currency loss |
1,177,634 | 1,420,502 | 1,189,193 | |||||||||
|
Other bad debt expenses |
— | — | 1,798 | |||||||||
|
Loss on disposal of property, plant and equipment |
4,037 | 7,466 | 20,030 | |||||||||
|
Impairment loss on property, plant and equipment |
3,027 | 1,610 | — | |||||||||
|
Loss on disposal of intangible assets |
29 | 75 | 30 | |||||||||
|
Impairment loss on intangible assets |
239 | 138 | 1,809 | |||||||||
|
Donations |
14,114 | 22,221 | 17,152 | |||||||||
|
Expenses related to legal proceedings or claims and others |
127,702 | 15,819 | 443 | |||||||||
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| 1,326,782 | 1,467,831 | 1,230,455 | ||||||||||
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