When it comes to accounting, managing money, and banking, making sure that the balances of 2 accounts are in agreement and the money spent matches the money that has been taken out is known as <em>"reconciliation"</em>;
<em>Seb</em> is a random exemplar to elucidate <em>reconciliation</em> in accounting; so when he notices a variation between what's in the bank and his records is when he has to review all transactions, including checks and receipts to find any mistake in his records and confirm they are accurate.
Epstein, David. "Beat by an Underhand Girl." The Sports Gene. Penguin Group, 2013.
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