Hi,
I have applied for some PhD positions and managed to secure 2 offers. Recently i have been invited for another interview, although having 2 options I would like to attend the interview as the position is sponsored by a highly lucrative company and also has a better stipend.

Getting an interview does not mean that I secured the position and the email i received from the Uni asks me to attend the interview without giving details of who will pay for the travelling costs. I checked train tickets and they cost 50 quid. Does anyone have a clue of what i should do?