Contact us
Choose a category below so we can get back to you as quickly as possible.
令原價為1 則現價為1×(1-20%)×(1+10%)=0.8×1.1=0.88 所以現價是原價的0.88÷1×100%=88%
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.