Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to accept credit card payments [title] Collect the necessary documentation. [step] Generally, you must have a business bank account before your financial institution will allow you to open a merchant account. To open a business bank account, you will need your business license and your employer identification number (ein).

Ending1: [substeps] Also ask friends or family for old tax returns. Most banks give you one copy of the tax return, but you might have to reuse the original if you are requesting a new business account. Ending2: This will be necessary when you begin using a merchant account. [substeps] You need to obtain the same documentation to open a merchant account. Ending3: Get your business license from the secretary of state in the state where your business is located. Get your ein from the social security administration. Ending4: [substeps] You will need, of course, your address and bank account information. In some countries, you may also need an driver's license to open a merchant account, or you may need an employer identification number.

Answer format: ending1/ending2/ending3/ending4