The amount of Russia's investments to be made in 5 Armenian enterprises that were passed to it within "Property for Debt" treaty can comprise $50-500 million, RA minister of trade and economic development Karen Chshmaritian told journalists. Everything will depend on the programs the Russian party is going to carry out, he explained. As in his turn co-chair of the Armenian-Russian intergovernmental commission for economic cooperation, RA defense minister Serge Sargsian noted, the Russian party will produce the development program of these enterprises during the current year. In his words, both Armenia and Russia are interested in the efficient work of the enterprises. To remind, the entities passed include MARS CJSC, Yerevan Research Institute of Automated Management Systems CJSC, Yerevan Research Institute of Mathematical Machines, Scientific Research and Industrial Enterprise of the Material Science CJSC as well as the Hrazdan Heat Power Plant.