8. Inventories, net
An analysis of inventories at December 31, 2016 and 2017 is as follows:
| 2016 | 2017 | |||||||
|
Mobile phones, accessories, computers, TVs, cards and other materials |
Ps. 41,020,172 | Ps. 42,262,511 | ||||||
|
Less: Reserve for obsolete and slow-moving inventories |
(4,148,880 | ) | (3,452,946 | ) | ||||
|
|
|
|
|
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|
Total |
Ps. 36,871,292 | Ps. 38,809,565 | ||||||
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|
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|
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For the years ended December 31, 2015, 2016 and 2017, the cost of inventories recognized in cost of sales was Ps. 145,491,598, Ps. 172,495,376 and Ps. 170,154,336, respectively.