Guess we're far out of the topic now, but
this page will maybe show why we need a bit higher income than needed to live in the Netherlands.

Anyway, back to topic, prices for Ketron SD 40.....
At Thomann.de it's € 1.504,20 (back in stock on 16.09.2016)
https://www.thomann.de/intl/ketron_sd_40.htmEdit: WAT is not included in the thomann price.