12. | Investment properties, net |
(a) | As of December 31, 2017 and 2016, the investment properties included administrative offices. The movement of cost and accumulated depreciation for the years 2017 and 2016 is presented below: |
| | Balance as of January 1, 2016 | | Addition (reversal) | | Balance as of December 31, 2016 | | Additions | | Sales | | Balance as of December 31, 2017 | | ||||||
| | US$(000) | | US$(000) | | US$(000) | | US$(000) | | US$(000) | | US$(000) | | ||||||
| | | | | | | | | | | | | | | | | | | |
Cost | | | 12,103 | | | (92) | | | 12,011 | | | 157 | | | (11,826) | | | 342 | |
Accumulated depreciation | | | (1,384) | | | (538) | | | (1,922) | | | (462) | | | 2,264 | | | (120) | |
| | | | | | | | | | | | | | | | | | | |
Net cost | | | 10,719 | | | | | | 10,089 | | | | | | | | | 222 | |
(b) | The Group does not have restrictions in the realization of its investment properties. |
(c) | During 2017 the fair value of the investment property amounted to US$191,086 (US$23,624,295 during 2016). |
(d) | As mentioned in note 16(e), the subsidiary Buenaventura Ingenieros S.A. (hereinafter "BISA") sold to a third party its investment properties located in the El Derby Capital Building, district of Surco, for US$11,250,000, with a net cost of US$9.6 million. |
(e) | During 2017, rental income, from these investment properties amounted to US$234,677 (US$1,821,320 and US$1,710,766 during 2016 and 2015, respectively). |