TY JOUR TI ECONOMIC PREREQUISITES AND PROBLEMS OF USING THE PROGRESSIVE PIT SCALE IN RUSSIA KW personal income tax KW progressive taxation scale KW the principle of social justice KW reform of the personal income tax collection system KW living wage JO Scientific Papers Collection of the Angarsk State Technical University AU Zarubina, Y.V. PY 2024 IS 2024 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»