Costs for work planning are reasonable

Ah, I had overlooked EG in the sentence "Fertigstellung Decke". Yes, I wouldn’t want to accept that now either, but maybe the OP has no other choice...

The OP has been following along; if he hasn't collapsed now, then everything seems to be okay

The OP has been reading along, if he hasn't collapsed by now, then everything seems to be okay

I'm cracking up!

Sorry, was briefly away. It knocked me out ;-)

Some profile pictures are well chosen

THANK YOU! Apparently, we agree that this looks rather uneconomical, bordering on usury, right? What do you think about kindly asking the GU for an explanatory breakdown of the costs based on a more detailed cost accounting? Why is an additional 15-GU surcharge justified?