C. Video played to

For awareness campaigns, "video played to" metrics (e.g., percentage watched) indicate how effectively your ads are capturing and retaining viewer attention.

This is a fundamental metric for assessing awareness campaign performance.

Conversions are more relevant for action-oriented campaigns.

D. Decide on the highest amount they‘re willing to pay for this campaign.

The tCPM bid should reflect the maximum amount the advertiser is willing to pay for 1,000 impressions.

It should be based on the value of reaching the target audience and the campaign's budget.

Traffic estimators can be useful, but the final decision should be based on the advertiser's maximum willingness to pay.

A. Custom Audiences:

Custom Audiences allow you to target users based on their past search activity on Google.

This is perfect for reaching customers who have already shown interest in specific keywords.

In-Market audiences target broad purchase intent, not specific search terms.

C. They'll see how many ads served to how many people and how many times, across devices and formats.Unique reach and frequency metrics provide insights into the number of unique users reached and the average number of times they saw the ads.

This helps understand the effectiveness of the campaign in reaching the target audience.

The other options describe other metrics or analyses.

A. You'd use conversion tracking.

Conversion tracking allows you to measure the specific actions users take after interacting with your ads, such as product sales.

This provides insights into the effectiveness of your video ads in driving conversions.

The other options are not directly related to measuring sales.