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v3.20.1

Costs and expenses by nature: | 12 Months Ended
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Dec. 31, 2019
Costs and expenses by nature: |
Costs and expenses by nature: | Note 4 - Costs and expenses by nature:
|  | January to December 31,
|  | 2017 |  | 2018 |  | 2019
Short term benefits |  | Ps. | 772,129 |  | Ps. | 1,118,926 |  | Ps. | 1,199,217
Electric power |  |  | 234,879 |  |  | 458,827 |  |  | 474,719
Maintenance and conservation |  |  | 401,479 |  |  | 673,603 |  |  | 699,557
Professional fees |  |  | 217,930 |  |  | 306,169 |  |  | 308,740
Insurance and bonds |  |  | 86,838 |  |  | 200,477 |  |  | 225,252
Surveillance services |  |  | 207,303 |  |  | 310,065 |  |  | 325,612
Cleaning services |  |  | 142,531 |  |  | 229,003 |  |  | 232,219
Technical assistance (Note 15.4) |  |  | 346,487 |  |  | 386,249 |  |  | 404,086
Right of use of assets under concession (DUAC) (1) |  |  | 468,695 |  |  | 898,253 |  |  | 986,850
Amortization and depreciation of intangible assets, furniture and equipment |  |  | 1,166,114 |  |  | 1,760,741 |  |  | 1,836,897
Goodwill impairment (Note 8.1) |  |  | 4,719,096 |  |  | 0 |  |  | 0
Consumption of commercial items |  |  | 252,602 |  |  | 300,845 |  |  | 323,899
Construction services (Note 3.1.3) |  |  | 1,898,550 |  |  | 935,774 |  |  | 1,236,193
Termination benefits (Note 18.17) |  |  | 1,984 |  |  | 1,595 |  |  | 1,922
Employees’ statutory profit sharing |  |  | 6,359 |  |  | 8,052 |  |  | 10,250
Financial assets impairment |  |  | 45,687 |  |  | 0 |  |  |
Other |  |  | 144,322 |  |  | 177,330 |  |  | 279,649
Total aeronautical and non-aeronautical services costs, costs of construction services and administrative expenses |  | Ps. | 11,112,985 |  | Ps. | 7,765,909 |  | Ps. | 8,545,062
| (1) |  | As of December 31, 2017, Ps.406,733 correspond to the consideration for the concessions in Mexico, Ps.56,005 correspond to the consideration of the Airplan concession at 19% of gross revenues from the period October 19 to December 31, 2017, and Ps.5,957 for the consideration of the Aerostar concession at 5% of the airport’s gross receipts from May 31, to December 31, 2017, as of December 31, 2018 and 2019 Ps.458,290 and Ps.484,402 correspond to Mexico, Ps.312,244 and Ps.361,029 correspond to Airplan and Ps.127,719 and Ps.141,419 correspond to Aerostar.

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