When a deal closes and you receive the final funds and are ready to payout you need to ensure that you Deposit funds to the correct bank account -
Once you have Deposited funds are into the correct Account you will see the balance appear under the Transactions Page as below:
Now you have all of the funds required to payout the deal in the correct bank account you can go to the Payout Commission Screen
You can now use the drop down options to do a final review of the Payout and when ready hit the 'Pay All' button -
Once you hit Pay All you will then be able to Close the Deal.