Consolidated statements of comprehensive income

(Amounts in thousands of Mexican pesos)

  As at 31 December
    2017   2016
Operating revenue:        
Infrastructure rent Ps. 5,665,715 Ps. 5,179,879
Revenue from alteration services   132,677   214,778
Other income (Note 2s)   56,905   21,999
    5,855,297   5,416,656
Operating costs and expenses:        
Depreciation (Note 7)   2,042,366   2,557,196
Leases (Note 11)   1,863,678   1,734,151
Alteration service costs   123,851   201,062
Operating expenses   362,356   396,896
Other expenses   20,093   35,530
    4,412,344   4,924,835
Operating income   1,442,953   491,821
         
Net financing cost:        
Accrued interest income   22,238   38,250
Accrued interest expense   (1,525,335)   (1,349,273)
Foreign exchange loss, net   (479,301)   (235,494)
    (1,982,398)   (1,546,517)
         
(Loss)/income before income tax   (539,445)   (1,054,696)
Income tax (Note 16)   (148,047)   103,517
Net (loss)/income for the year Ps. (687,492) Ps. (951,179)
         
Components of other comprehensive income:        
Revaluation surplus, net of taxes Ps. (426,962) Ps. 1,415,543
Labor obligations, net of taxes   206   (86)
Foreign currency translation reserve   159   702
Total other comprehensive income   (426,597)   1,416,159
Comprehensive income for the period Ps. (1,114,089) Ps. 464,980
         
Weighted average number of outstanding shares (thousands of shares)   3,300,000   3,300,000
Net (loss)/income per share attributable to equity holders of the parent Ps. (0.21) Ps. (0.28)

The accompanying notes are an integral part of these financial statements.