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v3.19.1

Costs and expenses by nature: (Details) $ in Thousands, $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 20, 2017 USD ($) | Dec. 31, 2018 MXN ($) | Dec. 31, 2017 MXN ($) | Dec. 31, 2016 MXN ($)
Expenses by nature [abstract] |  |  |  |  |
Termination benefits (Note 18.17) |  |  | $ 1,595 | $ 1,984 | $ 1,237
Short term benefits |  |  | 1,118,926 | 772,129 | 531,246
Employees' statutory profit sharing |  |  | 8,052 | 6,359 | 6,126
Electric power |  |  | 458,827 | 234,879 | 108,910
Maintenance and conservation |  |  | 673,603 | 401,479 | 229,904
Professional fees |  |  | 306,169 | 217,930 | 103,918
Insurance and bonds |  |  | 200,477 | 86,838 | 30,157
Surveillance services |  | $ 15 | 310,065 | 207,303 | 144,462
Cleaning services |  |  | 229,003 | 142,531 | 90,285
Technical assistance (Note 15.4) |  |  | 386,249 | 346,487 | 288,111
Right of use of assets under concession (DUAC) | [1] |  | 898,253 | 468,695 | 344,939
Amortization and depreciation of intangible asset, furniture and equipment |  |  | 1,760,741 | 1,166,114 | 529,660
Goodwill impairment (Note 8.1) |  |  |  | 4,719,096 |
Consumption of commercial items |  |  | 300,845 | 252,602 | 180,636
Construction services (Note 3.1.3) |  |  | 935,774 | 1,898,550 | 2,116,954
Financial assets impairment |  |  |  | 45,687 |
Other |  |  | 177,330 | 144,322 | 114,347
Total aeronautical and non-aeronautical services costs, costs of construction services and administrative expenses |  |  | $ 7,765,909 | $ 11,112,985 | $ 4,820,892
[1] | As of December 31, 2016, DUAC corresponds to the consideration for the concession in México, which is equivalent to 5% of the gross revenues of each of the concessions, as of December 31, 2017, Ps406,733 correspond to the consideration for the concessions in México, Ps56,005 correspond to the consideration of the Airplan concession at 19% of gross revenues from the period October 19 to December 31, 2017, and Ps5,957 for the consideration of the Aerostar concession at 5% of the airportʼs gross receipts from May 31, to December 31, 2017, as of December 31, 2018, Ps458,290 correspond to México, Ps312,244 correspond to Airplan and Ps127,719 correspond to Aerostar.

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