Follow the instructions in this article before proceeding with the following steps: How to Accept a Payment as an Administrator

Step 1: Change the Amount

Click the button, Change.

Step 2: Enter the Amount

Type in the amount the client is willing to pay in the box below Cost.

Step 3: Record a Note 

Type in a message to record any notes of this transaction in the text box under Note, e.g. Discounted Rate.

Step 4: Is the Client Fully Paid?

(I) If you wish to no longer accept payment from this client for this fee and accept this as a full payment, switch Owing to N. 
(II) If the client has only paid a portion of the full cost of the fee and if you wish to accept future payments for the remaining amount, switch Owing to Y.

Step 5: Change the Recurring Switch

(I) If you wish to take this amount as the full payment for the fee, switch Recurring to N.

Step 6: Save your Changes

Click Update once you are satisfied with your changes.