What happens as a result of a search campaign consistently meeting its daily budget

What happens as a result of a search campaign consistently meeting its daily budget?

• Accelerated ad delivery
• Higher average cost-per-clicks (CPCs)
• Fewer sites targeted at once
• Missed potential ad impressions

Correct answer is:

• Missed potential ad impressions

Explanation: 

AdWords shows recommended budgets for campaigns that repeatedly meet their daily budget but have the potential to earn more clicks and impressions.