As of December 31, 2016 and 2017, provided that functional currency against foreign currencies other than functional currency hypothetically strengthens or weakens by 10%, the changes in gain or loss during the years ended December 31, 2016 and 2017 were as follows:
| 2016 | 2017 | |||||||||||||||
| 10% increase | 10% decrease | 10% increase | 10% decrease | |||||||||||||
| (in millions of Won) | ||||||||||||||||
|
USD |
￦ | (162,842 | ) | 162,842 | (172,523 | ) | 172,523 | |||||||||
|
EUR |
(8,713 | ) | 8,713 | 9,856 | (9,856 | ) | ||||||||||
|
JPY |
(77,543 | ) | 77,543 | (54,396 | ) | 54,396 | ||||||||||