Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to return products purchased online [title] Sign into your account at amazon. [step] Amazon tracks your purchases in order to enable returns. [title] Go to the amazon returns center.

Ending1: [step] Type in either " reseller " or " reselling " and click on it. [title] Click " resell " to the left of " resell. Ending2: [step] You can do this using your email address or local telephone number. [substeps] If you are not already signed in to amazon, sign in now. Ending3: [step] Scroll down to the bottom of the page and tap the magnifying glass button to access amazon's return center page. [substeps] If you are not already signed in, tap sign in to your account in the upper-right corner to enter your amazon id and password. Ending4: [step] It can be found at www.amazon.com/gp/orc/returns/homepage.html. Click the button that says " return items.

Answer format: ending1/ending2/ending3/ending4