When advertisers who are using cost-per-thousand impressions (CPM) bidding click on their own display ads, Quality Score:

When advertisers who are using cost-per-thousand impressions (CPM) bidding click on their own display ads, Quality Score:

• A) improves for that placement because the clickthrough rate (CTR) increases
• B) is not affected because the clicks are automatically filtered out by Google’s Invalid Click technology
• C) improves for that placement because the cost-per-thousand impressions (CPM) bid decreases
• D) is not affected because CTR is not a factor with CPM bidding