| 摘要 |
<p>A system, according to one embodiment, includes a hybrid account provided by an issuer to a user, the hybrid account having a balance, the balance being either positive, zero, or negative; and a financial instrument including a hybrid card, the hybrid card providing access to the hybrid account, in which transactions using the hybrid card provide interchange income to the issuer, the issuer charges interest to the hybrid account when the balance is negative, and the issuer pays interest to the hybrid account when the balance is positive.</p> |
