[经] ratio of cost of goods manufactured and sold to net sales

shāng pǐn chǎn xiāo chéng běn duì xiāo shòu jìng é de bǐ lǜ ㄕㄤ ㄆㄧㄣˇ ㄔㄢˇ ㄒㄧㄠ ㄔㄥˊ ㄅㄣˇ ㄉㄨㄟˋ ㄒㄧㄠ ㄕㄡˋ ㄐㄧㄥˋ ㄜˊ ㄉㄜ˙ ㄅㄧˇ lv4