My employer always demands i work from start to close (roughly a 13 hour work day on average) because my coworkers earn a higher salary.

I'm sorry if this comes off as a rant, but it's starting to get very annoying for me. Yesterday i confronted him about it and what he said was that those coworkers are being hired for the busy hours and tried to turn it around as a sort of “you should be glad they're there to help you out”. Which is obviously not fair to me at all. I like the work and the team but this is getting ridiculous.