RE: How much $
Based on the normal retail prices - around $10,000 when a 42%'er went in under power and nose first (It was the last time I trusted that particular brand of 2.4G technology in anything other than a foamy for the back yard)
What was lost was airframe (Compy - $3900), 3W 170 Engine (~$4000 including exhausts), Futaba servos (~$1500)- all destroyed beyond economic or reliable repair. All other electronic items were scrapped (I do this when any airframe goes in enough to destroy the airframe from flying again) .
It fitted neatly into the "***** happens" category