| (7) | As of December 31, 2017, the weighted average duration of the defined benefit plan is 11.6 years. Expected maturity analysis of undiscounted defined benefit obligations was as follows: |
| NT$ | ||||
|
Within 1 year |
65,895 | |||
|
1-2 year(s) |
73,658 | |||
|
2-3 years |
87,648 | |||
|
Over 3 years |
2,876,889 | |||
|
|
|
|||
| 3,104,090 | ||||
|
|
|
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