Well - if it were this side of the pond - I would say an indecent amount of money, and that's before you start spending even more money changing all that required to be able to install it in a Europa.
But, and, I know I am old, (and miserable), but what is it with those boy racer blue/red (aeroquip?) fittings...
I mean, that's like looking at a beautiful woman - and then seeing she has a beard, no?