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Financial risk management: (Tables)
 12 Months Ended
Dec. 31, 2019
Financial risk management:  
Schedule of exchange rate risk

 

 

 

 

 

 

 

 

 

December 31, 

 

    

2018

    

2019

Monetary position:

 

 

 

 

 

 

Asset

 

Ps.

45,003

 

Ps.

164,370

Liability

 

 

(3,149)

 

 

(4,853)

 

 

Ps.

41,854

 

Ps.

159,517

 

Schedule of liquidity risk

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

    

Under

    

Between 3 months

    

Between 1

    

Between 2 and

At December 31, 2018

 

3 months

 

and one year

 

and 2 years

 

5 years

Bank loans and interest

 

Ps.

14,506

 

Ps.

161,009

 

Ps.

212,959

 

Ps.

6,829,639

Long term debt

 

 

119,680

 

 

204,910

 

 

208,027

 

 

6,749,651

Suppliers

 

 

313,577

 

 

  

 

 

  

 

 

  

Accounts payable and accrued expenses

 

 

1,557,847

 

 

  

 

 

  

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

    

Under

    

Between 3 months

    

Between 1

    

Between 2 and

At December 31, 2019

 

3 months

 

and one year

 

and 2 years

 

5 years

Bank loans and interest

 

Ps.

14,639

 

Ps.

223,596

 

Ps.

228,073

 

Ps.

6,446,644

Long term debt

 

 

111,676

 

 

199,696

 

 

204,492

 

 

6,284,077

Suppliers

 

 

245,100

 

 

  

 

 

  

 

 

  

Accounts payable and accrued expenses

 

 

1,378,657

 

 

  

 

 

  

 

 

  

 

Schedule of short term liquidity

 

 

 

 

 

 

 

 

 

December 31, 

 

    

2018

    

2019

 

 

 

 

 

 

 

Current assets

 

Ps.

6,000,912

 

Ps.

7,845,856

Current liabilities

 

 

2,408,222

 

 

2,560,020

 

 

 

  

 

 

  

Short term position (liquidity)

 

Ps.

3,592,690

 

Ps.

5,285,836