Given the attribution window of 30/20/1, what do each of those numbers represent? Match the number with the correct description.
| The number of days the user has after they engage with the ad in order for the ad to get credit for the conversion. | 20 |
| The number of days the user has after they view the ad in order for the ad to get credit for the conversion. | 1 |
| The number of days the user has after they click the ad in order for the ad to get credit for the conversion. | 30 |