TY JOUR TI IMPROVING THE MANAGEMENT OF FINANCIAL RESULTS ACTIVITIES OF AN ADVERTISING AGENCY KW financial result KW profit KW income KW cost KW advertising activity KW product portfolio KW banner JO Bulletin of the Angarsk State Technical University AU Kozlova, K.A. PY 2023 IS 1 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»