Contact us
Choose a category below so we can get back to you as quickly as possible.
(960+832)÷(1-80%)=1792÷20%=8960(元)8960-960=8000(元)答:這種商品的成本價是8000元.
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.