When Should a Job Candidate Ask about Salary?

If you are able to land an interview for an entry level job or other position, you may be tempted to ask about how much it pays.  By the way, it is a good idea to do some research ahead of time so will have some knowledge about the average income for the job.  So, when should a job candidate ask about salary?  The following infographic shares results from a survey done by Robert Half.

Source: Robert Half