As well as having global reports under your Statistics tab you also have some agency specific reports.
Some of these you may not use however they are useful to report on commission earned and monies paid out. Refer to the video below to see in detail how these itemize out.
You may want to fast forward through the video just to the reports you will use.
Agency specific reports
Other "Most used" reports
Where can I see a report on Payments I have taken? Click Here!