MAHSULOT BIRLIGIDAN OLINGAN FOYDA
MAHSULOT BIRLIGIDAN OLINGAN FOYDA — muayyan mahsulotni sotishdan olingan foydaning shu mahsulotning ishlab chiqarish hajmiga nisbati.
MAHSULOT BIRLIGIDAN OLINGAN FOYDA — muayyan mahsulotni sotishdan olingan foydaning shu mahsulotning ishlab chiqarish hajmiga nisbati.