You can track credits to and allocations from for each funding source through the Summary tab on the Funding Source Details screen.
Click on the hyper linked name of the funding source to open the Funding Source Details screen.
Credits - The Credits tab tracks all credits applied to the funding source. After applying credit you will need to click Reload to view the Credits tab.
Debits - The Allocations tab tracks all allocations from the funding source to funds. After allocating to a fund you will need to click Reload to view the Allocations tab.