{TAIL ~ A system} to incentivize financial account holders, such as a checking account, by providing {HEAD ~ a cash bonus} for certain activities in the financial account, including certain deposits, electronic payments, debit card purchases, and receiving an electronic statement  
{ TAIL ~ A system } to incentivize financial account holders , such as a checking account , by providing { HEAD ~ a cash bonus } for certain activities in the financial account , including certain deposits , electronic payments , debit card purchases , and receiving an electronic statement
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