Cheapest New Generation Jet Trainer of all

Presenting EM-10 Bielik:
An unarmed low cost advanced trainer which can do Primary/Basic trainer as well as Advanced Jet trainer, it’s maneuverable and can simulate weapons launches, and can train pilots for most of the modern fighters like Mig-29M, F-16blk60, Su-30 and others. It’s equipped with FBW and all the necessary avionics and also TVC(only jet trainer that has it in the World).
Although it’s purchasing costs are unknown, it’s probably the cheapest jet trainer to service, why? It’s engine, the GE J-85 is very fuel efficient, and it’s fuel capacity is some 850kgs for a range of 2500kms
http://www.marganski.home.pl/html/A-ENG/ISKRAII-DESCRIPTION.htm