Is there a query that presents a unique list of all financial transactions for each purchase order?

Is there a query that presents a unique list of all financial transactions for each purchase order?
Hi,
Victoria Yudin's web site is a treasure trove of such scripts. www.victoriayudin.com.
This one looks like it might give you the information you require victoriayudin.com/.../
Hope this helps
Thanks
Gavin