Question: A Conversions campaign has been running for two weeks, and the cost per acquisition (CPA) is higher than expected. The advertiser made the interests broader in the prospecting ad group and re-targeted one day ago, but the CPAs continue to remain high. What should the advertiser do to optimize the campaign?
- Pause the retargeting ad group.
- Increase the retargeting ad group's audience size.
- Pause the prospecting ad group.
- Wait another two-to-three days to see if it optimizes.
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