Changes in the allowance for doubtful accounts
| 2017 | 2016 | 2015 | ||||||||||
|
Balance at beginning of the year |
Ps. | 451 | Ps. | 283 | Ps. | 367 | ||||||
|
Allowance for the year |
40 | 6 | 52 | |||||||||
|
Charges and write-offs of uncollectible accounts |
(62 | ) | ( 3 | ) | (62 | ) | ||||||
|
Added in business combinations |
86 | 94 | — | |||||||||
|
Effects of changes in foreign exchange rates |
(45 | ) | 71 | (74 | ) | |||||||
|
Effect Venezuela (Note 3.3) |
(2 | ) | — | — | ||||||||
|
|
|
|
|
|
|
|||||||
|
Balance at end of the year |
Ps. | 468 | Ps. | 451 | Ps. | 283 | ||||||
|
|
|
|
|
|
|
|||||||