Mary and Brad needs to do certains things like keep the track of payments which they are spending, keep the budget, balance checkbook, make short and long term goals, these activities helps the both to avoid financial difficulties.
When you reconcile your checking account or checkbook, you ensure that the records you've kept for all of your spending and income match what the bank states on your physical or online statement.
Balancing the checkbook is a means of ensuring that records correspond to those of the bank.
Thus, they need to keep the records of transcations.
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