Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to reverse finance charges on credit cards [title] Gather credit card documents that show you have consistently paid the minimum balance or more on your credit card for at least 12 consecutive months. [step] These documents may include bank statements that show cleared payments and credit card statements. Obtain copies of your credit card statements through the company's website if you have paperless statements.

Ending1: Refer to your statements carefully to find out the minimum or total amount that you owe, and any fees associated with any interest as well. [title] Fill out reports that show business income tax returns for the past 12 months. Ending2: [title] Talk to a credit card company representative at the customer service department where you work. [step] This representative can guide you through the process of reversing your card charges. Ending3: [title] Confirm you are able to use the credit card at the time of payments. [step] If you cannot use the credit card again after one month, you may need to retrieve a receipt from the payment clerk. Ending4: [title] Call your credit card company by dialing the number listed on the back of your card. [step] Visit the company's website to find the number if one is not on your card.

Answer format: ending1/ending2/ending3/ending4