Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to sell videos on istockphoto [title] Create an account at istockphoto.com. [step] Sign up as a video photographer. Make sure you read and understand all the requirements for people who submit video clips.

Ending1: [title] Enter your email and paste the green link into an existing account. [step] Don't worry, the publisher who signed up for the video will give you the email address. Ending2: If your application is faxed out to the boss from istockphoto.com, it will be rejected immediately. Print the link and be sure to bring it with you. Ending3: Look on the information boards of food and drug stores, or go to movie festivals and conventions that your target audience wants to see. You may also want to come up with a video that brings you a lot of publicity. Ending4: [title] Take the test required by istockphoto to ensure you meet and understand all the technical requirements. [step] Part of the test requires you to upload 3 video clips.

Answer format: ending1/ending2/ending3/ending4