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v3.21.1

Costs and expenses by nature: (Tables) | 12 Months Ended
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Dec. 31, 2020
Costs and expenses by nature: |
Schedule of general and administrative expense |
|  | January to December 31,
|  | 2018 |  | 2019 |  | 2020
Short term benefits |  | Ps. | 1,118,926 |  | Ps. | 1,199,217 |  | Ps. | 1,039,883
Electric power |  |  | 458,827 |  |  | 474,719 |  |  | 382,026
Maintenance and conservation |  |  | 673,603 |  |  | 699,557 |  |  | 447,884
Professional fees |  |  | 306,169 |  |  | 308,740 |  |  | 251,621
Insurance and bonds |  |  | 200,477 |  |  | 225,252 |  |  | 127,750
Surveillance services |  |  | 310,065 |  |  | 325,613 |  |  | 275,206
Cleaning services |  |  | 229,003 |  |  | 232,219 |  |  | 207,599
Technical assistance (Note 15.4) |  |  | 386,249 |  |  | 404,086 |  |  | 175,615
Right of use of assets under concession (DUAC) (1) |  |  | 898,253 |  |  | 986,850 |  |  | 535,379
Amortization and depreciation of intangible assets, furniture and equipment |  |  | 1,760,741 |  |  | 1,836,897 |  |  | 1,934,766
Consumption of commercial items |  |  | 300,845 |  |  | 323,899 |  |  | 169,298
Construction services (Note 3.1.3) |  |  | 935,774 |  |  | 1,236,193 |  |  | 3,657,086
Termination benefits (Note 18.17) |  |  | 1,595 |  |  | 1,922 |  |  | 2,382
Employees’ statutory profit sharing |  |  | 8,052 |  |  | 10,250 |  |  | 3,115
Impairment of accounts receivable (Note 6) |  |  | 6,241 |  |  | 12,127 |  |  | 154,417
Other |  |  | 171,089 |  |  | 267,521 |  |  | 143,409
Total aeronautical and non-aeronautical services costs, costs of construction services and administrative expenses |  | Ps. | 7,765,909 |  | Ps. | 8,545,062 |  | Ps. | 9,507,436
| (1) |  | As of December 31, 2018, 2019 and 2020, Ps.458,290, Ps.484,402 and Ps.254,337, respectively, correspond to the consideration for the concessions in Mexico, Ps.312,244, Ps.361,029 and Ps.149,602 correspond to the consideration of the Airplan concession at 19% of gross revenues from the period October 19 to December 31, 2018, from the year 2019 and 2020, respectively, and Ps.127,719, Ps.141,419 and Ps.131,440, for the consideration of the Aerostar concession at 5% of the airport’s gross receipts from May 31, to December 31, 2018, as of December 31, 2019 from the year 2019 and 2020, respectively.

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