| 22. | Other operating income (expense), net |
| (a) | This caption is made up as follows: |
| 2017 | 2016 | 2015 | ||||||||||
| S/(000) | S/(000) | S/(000) | ||||||||||
| Write-off for disasters (b) | (9,688 | ) | ||||||||||
| Income from management and administrative services provided to related parties, note 25 | 1,560 | 1,103 | 505 | |||||||||
| Recovery of expenses | 796 | 1,053 | 2,533 | |||||||||
| Income from land rental and office lease, note 25 | 682 | 700 | 664 | |||||||||
| Net (loss) gain on disposal of property, plant and equipment | 42 | (3,466 | ) | 6,851 | ||||||||
| Net income from sale of impaired inventories | — | 2,593 | — | |||||||||
| Changes in the estimation of rehabilitation provision, note 13 | — | (5,259 | ) | (514 | ) | |||||||
| Impairment of inventories | — | — | (9,335 | ) | ||||||||
| Other minor, net | 2,251 | 5,720 | 3,209 | |||||||||
| (4,357 | ) | 2,444 | 3,913 | |||||||||
| (b) | During the first quarter of 2017, Peru was affected by the natural phenomenon Coastal El Niño, which caused heavy rains, floods and mudslides in northern Peru since mid-February. The economic losses associated with damage to inventories, machinery and equipment and cost overruns for damage to roads necessary for the distribution of merchandise to customers amounted to S/9,688,000, this amount is presented net of compensation recognized by the insurance company. Of the total amount recognized by the insurance company, S/9,380,000 was pending collection as of December 31, 2017, see note 7(a). |