The amortization amounts of intangible assets are as follows:
| For the years ended December 31, | ||||||||
| 2016 | 2017 | |||||||
| NT$ | NT$ | |||||||
| (In Thousands) | (In Thousands) | |||||||
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Operating costs |
$ | 675,257 | $ | 799,215 | ||||
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Operating expenses |
$ | 1,367,103 | $ | 1,119,855 | ||||
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