Note 8. Inventories
| December 31, 2017 |
December 31, 2016 |
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Finished products |
Ps. | 25,374 | Ps. | 22,709 | ||||
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Raw materials |
5,194 | 5,156 | ||||||
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Spare parts |
2,102 | 2,401 | ||||||
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Work in process |
198 | 144 | ||||||
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Inventories in transit |
1,437 | 1,188 | ||||||
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Other |
535 | 334 | ||||||
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| Ps. | 34,840 | Ps. | 31,932 | |||||
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For the years ended at 2017, 2016 and 2015, the Company recognized write-downs of its inventories for Ps. 308, Ps. 1,832 and Ps. 1,290 to net realizable value, respectively.
For the years ended at 2017, 2016 and 2015, changes in inventories are comprised as follows and included in the consolidated income statement under the cost of goods sold caption:
| 2017 | 2016 | 2015 | ||||||||||||||
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Changes in inventories of finished goods and work in progress |
Ps. | 196,547 | Ps. | 172,554 | Ps. | 132,835 | ||||||||||
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Raw materials and consumables used |
85,568 | 63,285 | 53,514 | |||||||||||||
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Total |
Ps. | 282,115 | Ps. | 235,839 | Ps. | 186,349 | ||||||||||
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