Return on investment (roi) information can you manage a client's campaign by you determine how to:
- adjust your client’s budget
- optimize your client’s keywords
- optimize your client’s ad text
- all of the listed answers are correct

The correct answer to the following question is option D) all of the listed answers are correct .

Explanation:

ROI ( which is know as return on investment ) is a tool which can be used to manage a client's campaign by helping him in determining what would be the optimal budget for him, how would a client optimize its advertisement texts and the keywords. The ROI here would be used to measure conversion and through this conversion tracking tool would help in determining profitability in advertisement or keywords.

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