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v3.20.1

Costs and expenses by nature: (Tables) | 12 Months Ended
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Dec. 31, 2019
Costs and expenses by nature: |
Schedule of general and administrative expense |
|  | 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

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