Step 1: Click on Monthly >> Accounts from the left side menu of the screen
Step 2: Click on the Monthly Customer Account
Step 3: Click on the Billing Tab >> Billing
Step 4: Click on Transfer to
Step 5: On the Transfer view, select Account, Amount, Transfer Type (Credit or Payment) and Notes
Step 6: Click on Transfer
Step 7: The transfer will be created in the Billing tab with all the information