6. | NET SALES |
2017 | 2016 | 2015 | ||||||||||
Gross sales (i) | 72,411.0 | 79,551.1 | 97,214.2 | |||||||||
Excise duty | (16,192.9 | ) | (16,345.2 | ) | (17,471.7 | ) | ||||||
Discounts (i) | (8,318.8 | ) | (17,603.3 | ) | (33,022.3 | ) | ||||||
47,899.3 | 45,602.6 | 46,720.2 |
(i) | Variance resulting from the change in the billing method with direct effect on Gross sales and Discounts. |