Today's Lessons: Inventory turnover, cost of goods sold (COGS), Inventory. 無料英語ビジネス英語レッスンの研究を話す会話を学ぶ 무료로 비즈니스 영어 회화 수업을 공부 말하는 배우 Việt tiếng anh học bài học kinh doanh nói chuyện tìm hiểu Inglés gratis lecciones de estudio de negocios hablan conversación aprender I teach free business English and regular beginner intermediate and advanced English study lessons with proper vocabulary, nouns, verbs, adjectives, adverbs, grammar and phrases. Each day I post new lesson instructional tutoring videos. I am a free ESL EFL English as a second language teacher and you can learn new words every day with these business English free video lessons.