1. 1 Vinnytsia Institute of Trade and Economics of State University of Trade and Economics , Department of Economics and International Relations , Vinnytsia , Ukraine
2. 2 State University of Trade and Economics , Department of Finance , Kyiv , Ukraine
3. 3 National Technical University “Kharkiv Polytechnic Institute” , Department of Accounting and Finance , Kharkiv , Ukraine
4. 4 Chernivtsi Institute of Trade and Economics of State University of Trade and Economics , Department of Finance, Accounting and Taxation , Chernivtsi , Ukraine