Ask for a breakdown of the costs, always ask questions. You probably paid a deposit and the last months rent or something like that. If you moved in half way though the month, the 250 sounds right but just ask for an explanation. Your lease will also tell you exactly what that 1300 was for and that should clear it up. You would probably owe the 600 + the 250 if that’s the case but just double check.

Good life advice, give people the benefit of the doubt but always make sure the numbers add up.