One of your clients wants to know why a campaign went over the specified daily budget several days in a row. What would you explain to your client about how the AdWords system works?

182) One of your clients wants to know why a campaign went over the specified daily budget several days in a row. What would you explain to your client about how the AdWords system works?

   A)  AdWords automatically increases the maximum cost-per-click (CPC) bid to show an ad higher in Google search results
   B)  Due to changes in traffic, AdWords allows up to 20% more impressions in a day than the budget specifies
   C)  To show an ad more often, AdWords charges more than the average daily budget amount multipled by 30.4

   D)  Due to changes in traffic, AdWords allows up to 20% more clicks in a day than the budget specifies. However, in any given month, AdWords never charges more than the average daily budget amount multip