| 24. | Finance costs |
This caption is made up as follows:
| 2017 | 2016 | 2015 | ||||||||||
| S/(000) | S/(000) | S/(000) | ||||||||||
| Interest on senior notes, net of capitalization, note 14 | 45,358 | 44,729 | 8,108 | |||||||||
| Finance cost on cross currency swaps | 26,140 | 27,800 | 25,169 | |||||||||
| Amortization of costs of issuance of senior notes | 1,644 | 1,644 | 1,644 | |||||||||
| Other | 95 | 94 | 1,098 | |||||||||
| Total interest expense | 73,237 | 74,267 | 36,019 | |||||||||
| Unwinding of discount of long-term incentive plan, note 13 | 522 | 345 | 788 | |||||||||
| Unwinding of discount of other receivables | — | 785 | — | |||||||||
| Total finance costs | 73,759 | 75,397 | 36,807 | |||||||||