| 20. | Selling and distribution expenses |
This caption is made up as follows:
| 2017 | 2016 | 2015 | ||||||||||
| S/(000) | S/(000) | S/(000) | ||||||||||
| Advertising and promotion | 18,955 | 15,631 | 8,410 | |||||||||
| Personnel expenses, note 21(b) | 17,982 | 17,096 | 16,230 | |||||||||
| Third-party services | 7,392 | 4,551 | 4,596 | |||||||||
| Provision for doubtful accounts, note 7(d) | 1,190 | 114 | 315 | |||||||||
| Other | 1,048 | 2,507 | 1,930 | |||||||||
| 46,567 | 39,899 | 31,481 | ||||||||||