The correct answer is C. Summary section.

A report header section is a section that appears at the top of every page in a report. It can contain information such as the report title, date, and time.

A page header section is a section that appears at the top of each page in a report. It can contain information such as the page number, report title, and date.

A report footer section is a section that appears at the bottom of every page in a report. It can contain information such as the page number, report title, and date.

A summary section is not a section in report design window. It is a section that appears at the end of a report and summarizes the data in the report.