You may want to look closely at your credit card bill. Since the massive breach of Target’s customer credit card information database, the Better Business Bureau has seen scores of consumers report mysterious charges to their cards. The one thing they all have in common? They’re all for $9.84. The charges are usually for some sort of ambiguous “customer support” fee, but are actually fraudsters using the relatively small amount to hopefully go undetected. According to this report from CBS News, if you see one of the mysterious charges, “Call the card issuer. It’s likely that your card or card number is in the hands of a crook. You need a new card and to place a fraud alert on your credit file” …