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Employee benefits (Tables) | 12 Months Ended
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Dec. 31, 2018
Employee benefits |
Schedule of analysis of net period cost |
|  | 2018 |  | 2017 |  | 2016
Analysis of net period cost: |  |  |  |  |  |  |  |  |
Current service cost |  | Ps. | 4,977 |  | Ps. | 3,657 |  | Ps. | 2,421
Interest cost on benefit obligation |  |  | 1,424 |  |  | 1,000 |  |  | 701
Net period cost |  | Ps. | 6,401 |  | Ps. | 4,657 |  | Ps. | 3,122
Schedule of changes in defined benefit obligation |
|  | 2018 |  | 2017 |  | 2016
Defined benefit obligation at January 1, |  | Ps. | 19,289 |  | Ps. | 13,438 |  | Ps. | 10,056
Net period cost charged to profit or loss: |  |  |  |  |  |  |  |  |
Current service cost |  |  | 4,977 |  |  | 3,657 |  |  | 2,421
Interest cost on benefit obligation |  |  | 1,423 |  |  | 1,000 |  |  | 701
Remeasurement losses in other comprehensive income: |  |  |  |  |  |  |  |  |
Actuarial changes arising from changes in assumptions |  |  | (5,989) |  |  | 1,776 |  |  | 442
Payments made |  |  | (1,547) |  |  | (582) |  |  | (182)
Defined benefit obligation at December 31, |  | Ps. | 18,153 |  | Ps. | 19,289 |  | Ps. | 13,438
Summary of significant assumptions used in the computation of the seniority premium obligations |
|  | 2018 |  | 2017 |  | 2016 |
Financial: |  |  |  |  |  |  |
Discount rate |  | 9.91 | % | 7.72 | % | 7.78 | %
Expected rate of salary increases |  | 5.65 | % | 5.50 | % | 5.50 | %
Annual increase in minimum salary |  | 4.15 | % | 4.00 | % | 4.00 | %
Biometric: |  |  |  |  |  |  |
Mortality (1) |  | EMSSA 09 |  | EMSSA 09 |  | EMSSA 09 |
Disability (2) |  | IMSS-97 |  | IMSS-97 |  | IMSS-97 |
| (1) |  | Mexican Experience of social security (EMSSA).
| (2) |  | Mexican Experience of Instituto Mexicano del Seguro Social (IMSS).
Schedule of accruals for short-term employee benefits |
|  | 2018 |  | 2017 |  | 2016
Employee profit-sharing (Note 15c) |  | Ps. | 14,984 |  | Ps. | 9,063 |  | Ps. | 10,695

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- Definition The disclosure of a net defined benefit liability (asset). [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2018-01-01 -Paragraph 140 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2018-03-01&anchor=para_140_a&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The disclosure of a sensitivity analysis for significant actuarial assumptions used to determine the present value of a defined benefit obligation. [Refer: Actuarial assumptions [member]; Defined benefit obligation, at present value] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2018-01-01 -Paragraph 145 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2018-03-01&anchor=para_145&doctype=Standard -URIDate 2018-03-16 + Details
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