TY CONF TI THE STUDY OF THE ROLE OF ECONOMIC AND PROFESSIONAL KNOWLEDGE IN PLANNING A BUSINESS: A CASE STUDY OF OPENING AN OPTICAL SALON KW economic literacy KW business plan KW medical optics KW optical salon JO II All-Russian Scientific and Practical Conference of students, teachers, practitioners "Education-Science-Practice" AU Andreeva, E.A. AU Stepanov, S.Y. PY 2025 PB Autonomous Non-Profit Educational Organization of Higher Education "Kuban Institute of Vocational Education"