Study the entries in Lupe's records and bank statement.What is the first action Lupe should take when she discovers a difference between her records and the bank's records?

Lupe should first compare her records with the bank statement and check whether she made an error, such as forgetting to record a transaction or entering an amount incorrectly. She should verify the details before contacting the bank or taking further action. The correct choice is to check her own records for a mistake.

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