I have such situation: in our company we have home currency USD, but meanwhile we are also operating in MYR, so i already implement multicurrency option, but the problem i have is that we dealing with some of our clients using fixed prices in MYR that can not be changed, this prices based on exchnge rate between home currency and additional currency, but in the same time we operating in MYR with our other client but using current exchange rate in this particular day, that is why i'm facing with issue now where i can not setup correct prices in this situation.

Please help to resolve this issue.