| CPC G06Q 20/202 (2013.01) [G06Q 20/204 (2013.01)] | 20 Claims | 

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               1. A point-of-sale (POS) system comprising: 
            one or more processors; and 
                non-transitory computer-readable media storing instructions that, when executed by the one or more processors, cause the one or more processors to perform operations comprising: 
              receiving, at a first window of a user interface, a first input of payment information associated with a first item of a first POS transaction; 
                  presenting, at a second window of the user interface, a status of the first POS transaction such that the second window is associated with the first POS transaction; 
                  receiving, at the first window and concurrently with presentation of the status of the first POS transaction at the second window of the user interface, a second input associated with a second POS transaction, the second input including at least one selection of a second item, wherein the first window is associated with the second POS transaction and the second window is associated with the first POS transaction; and 
                  receiving a notification of a confirmed payment of the second POS transaction prior to a resolution of the first POS transaction. 
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