معنی fixed and variable costs, معنی بهزثی شئی ذشقهشدکث رخسفس, معنی fixed and variable costs, معنی اصطلاح fixed and variable costs, معادل fixed and variable costs, fixed and variable costs چی میشه؟, fixed and variable costs یعنی چی؟, fixed and variable costs synonym, fixed and variable costs definition,