There was a viewable display ad on July 15th, a non-viewable video ad on July 22nd, and a viewable video ad on July 29th. The customer had clicked on the first display ad on July 15th and purchased the product on August 5th. Which of the following receives the credit for conversion?
- July 22nd non-viewable video ad
- July 29th viewable video ad
- August 5th purchase
- July 15th viewable display ad