Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to keep your bank account information secure [title] Avoid writing checks if your account has them. [step] While once the most common method of paying people or merchants for purchases, every check that is written contains everything needed for a fraudster to compromise your account, including your name, account number, and bank routing number. [substeps] Use a p2p (person to person) payment service to pay other people when you owe them money.

Ending1: [title] Recognize that it isn't uncommon for people to cheat on checks. [step] Most fraudulent transactions are made with promises that people might keep for one month or longer. Ending2: Knowing the market rate for placing checks can be difficult. Some people may be unable to pay in-person, though to minimize scams they may be able to order online online. Ending3: Many banks offer this service at no cost for their customers. Use debit or credit cards to pay merchants rather than writing checks. Ending4: Then you can write down the amount of the transaction on the back of the check. [title] Contact customers when you suspect a fraudulent transaction.

Answer format: ending1/ending2/ending3/ending4