Taxpayers 10% of the sales tax is owned by government and other companies and non-taxpayers pay 15% on the sale of state-owned goods or other companies. On the basis of contracts, those who do not file pay a 15 percent tax while 7.5% are paid by the filers and pay a 15% tax on the mortgage bond awards and the non-filers pay a 25% tax on the same amount. Preferences in Govt. tenders and saving in taxes. For filers the tax is 7.5 and 15 percent tax for the persons who are non-filers. On auctions tax ratio for both will be: filers – 10 %, for Non-filers – 15 %