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Cost of sales
 12 Months Ended
Dec. 31, 2017
Cost Of Sales  
Cost of sales
18. Cost of sales

 

This caption is made up as follows:

 
    2017     2016     2015  
    S/(000)     S/(000)     S/(000)  
                         
Beginning balance of goods and finished products, note 8(a)     21,427       22,929       18,951  
Beginning balance of work in progress, note 8(a)     107,882       88,349       69,711  
Consumption of miscellaneous supplies     232,840       246,033       286,420  
Maintenance and third-party services     167,735       172,781       113,042  
Depreciation and amortization     109,262       94,726       58,856  
Shipping costs     103,928       95,031       106,464  
Personnel expenses, note 21(b)     76,523       90,139       67,681  
Costs of packaging     32,011       35,924       34,273  
Other manufacturing expenses     14,616       19,927       51,637  
Ending balance of goods and finished products, note 8(a)     (27,386 )     (21,427 )     (22,929 )
Ending balance of work in progress, note 8(a)     (105,882 )     (107,882 )     (88,349 )
                         
      732,956       736,530       695,757