An analysis of temporary differences giving rise to the net deferred tax liability is as follows:
| Consolidated statement of financial position | Consolidated statement of comprehensive income | |||||||||||||||||||
| 2016 | 2017 | 2015 | 2016 | 2017 | ||||||||||||||||
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Provisions |
Ps. | 25,850,131 | Ps. | 26,268,666 | Ps. | (126,330 | ) | Ps. | 1,622,132 | Ps. | 1,579,604 | |||||||||
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Deferred revenues |
8,222,412 | 7,461,802 | 1,065,242 | (12,128 | ) | (965,010 | ) | |||||||||||||
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Tax losses carry forward |
38,208,079 | 38,332,408 | (1,222,172 | ) | 12,706,245 | (323,506 | ) | |||||||||||||
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Property, plant and equipment |
(9,716,615 | ) | (9,929,129 | ) | 7,110,085 | 2,445,783 | 1,974,753 | |||||||||||||
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Inventories |
1,522,739 | 2,003,049 | (1,527,453 | ) | (229,571 | ) | 519,046 | |||||||||||||
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Licenses and rights of use |
(2,530,747 | ) | (2,455,877 | ) | 2,548,353 | 54,182 | 348,201 | |||||||||||||
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Employee benefits |
28,243,207 | 33,253,071 | 2,614,932 | 3,616,952 | 1,225,310 | |||||||||||||||
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Other |
8,790,612 | 9,639,995 | 5,289,690 | (1,918,543 | ) | 793,094 | ||||||||||||||
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Net deferred tax assets |
Ps. | 98,589,818 | Ps. | 104,573,985 | ||||||||||||||||
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Deferred tax expense in net profit for the year |
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Ps. | 15,752,347 | Ps. | 18,285,052 | Ps. | 5,151,492 | |||||||||||||
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